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config

man page of config

config: HylaFAX configuration database

NAME
config - HylaFAX configuration database

DESCRIPTION

HylaFAX uses a configuration file for the central queueing agent and for each facsimile modem attached to a machine. These files contain information about the modems and about how the HylaFAX server processes that service these modem should operate. Configuration files are located in the etc subdirectory. The configuration file for the faxq(8) program is named config. The per-modem configuration files used by the faxgetty(8), faxsend(8), and pagesend(8) programs have names of the form config.devid, where devid is an identifier derived from the name of the modem's device file; for example ttym2 for /dev/ttym2, term_10 for /dev/term/10. Configuration files have a simple format and are entirely ASCII. A configuration parameter is of the form tag: value where a tag identifies a parameter and a value is either a string, number, or boolean value. Comments are introduced by the ''#'' character and extend to the end of the line. String values start at the first non-blank character after the '':'' and continue to the first non-whitespace character or, if whitespace is to be included, may be enclosed in quote marks (''"''). String values enclosed in quote marks may also use the standard C programming conventions for specifying escape codes; e.g. ''\n'' for a newline character and ''\xxx'' for an octal value. Numeric values are specified according to the C programming conventions (leading ''0x'' for hex, leading ''0'' for octal, otherwise decimal), except for a few parameters, such as RecvFileMode, whose value is interpreted strictly as an octal number and PageChopThreshold whose value is interpreted strictly as a floating point number. Boolean values are case insensitive. For a true value, either ''Yes'' or ''On'' should be used. For a false value, use ''No'' or ''Off''. The following table itemizes the tags and the expected type of their value. The first part lists items specific to the operation of each server, while the second part has items related to the servicing of the modem. Parameters marked with a 1 are used only by the HylaFAX scheduler process and should appear only in the file named config. Parameters marked with a 2 are used by both the scheduler and the per- device applications and so should appear in all appropriate configuration files (i.e. config and any per-device files that make sense). Parameters not otherwise marked should appear only in per- device configuration files. More detailed information about each item is given following the table. Tag Type Default Description AdaptiveAnswer boolean No enable adaptive answer of inbound calls AdminGroup string faxadmin System user group for administration (if PAM enabled) AnswerRotary string Any alternatives for answering calls AnswerBias integer - bias to apply to successful rotary answer AreaCode2 string - local area code AuditHook1 string - command to run for faxq event auditing BadPageHandlingMethod string RTN-SAVE bad page received handling method BatchLogs1 boolean Yes keep all session logs of a batch in a single log CallIDAnswerLength integer - answer call when CallIDPattern received CallIDPattern strint - call identification pattern string CIDName string - equivalent to CallIDPattern (2) CIDNameAnswerLength integer 0 equivalent to CallIDAnswerLength (2) CIDNumber string - equivalent to CallIDPattern (1) CIDNumberAnswerLength integer 0 equivalent to CallIDAnswerLength (1) ClocalAsRoot boolean No set CLOCAL using root UID ContCoverCmd1 string bin/mkcover continuation cover page generation script ContCoverPage1 string - continuation cover page template filename CountryCode2 string - local country code CountSkippedPages boolean Yes Count skipped pages in the page counts/totals when sending DestControls1 obsolete - Obsoleted by JobControl DeviceMode octal 0600 protection mode to use for modem device DialStringRules2 string - dial string rules file DistinctiveRings string - configuration for distinctive ring cadences DRingOff string - distinctive ring ''off'' cadence indicator DRingOn string - distinctive ring ''on'' cadence indicator DynamicConfig string - script for dynamic receive configuration EGettyArgs string - arguments passed to external getty program FAXNumber string - facsimile modem phone number FaxRcvdCmd string bin/faxrcvd notification script for received facsimile GettyArgs string - arguments passed to getty program Include2 string - include another file InternationalPrefix2 string - dialing prefix for international calls JobControlCmd1 string - job control command JobReqBusy integer 180 requeue interval for BUSY dial result JobReqDataConn integer 300 requeue interval for data connection dial result JobReqNoAnswer integer 300 requeue interval for NO ANSWER dial result JobReqNoCarrier integer 300 requeue interval for NO CARRIER dial result JobReqNoFCon integer 300 requeue interval for carrier without +FCON dial result JobReqOther2 integer 300 requeue interval for ''other'' problems JobReqProto integer 60 requeue interval after fax protocol error JobRetryBusy integer - number of retries for BUSY dial result JobRetryDataConn integer - number of retries for data connection dial result JobRetryNoAnswer integer - number of retries for NO ANSWER dial result JobRetryNoCarrier integer 1 number of retries for NO CARRIER dial result JobRetryOther integer - number of retries for ''other'' problems LockDataCalls boolean Yes lock modem for the duration of an inbound data call LockVoiceCalls boolean Yes lock modem for the duration of an inbound voice call LogCalls boolean Yes Log all incoming calls as CALL records in xferfaxlog LogFacility2 string daemon syslog facility name for ServerTracing messages LogFileMode octal 0600 protection mode to use for session log files LocalIdentifier string - local station identification string LongDistancePrefix string - dialing prefix for long distance calls MaxBatchJobs1 integer 64 max jobs in a batch MaxConcurrentCalls1 integer 1 max concurrent jobs to process for a destination MaxConsecutiveBadLines integer 5 max consecutive bad rows for OK page quality MaxDials1 integer 12 max phone calls to make to transmit a job MaxRecvPages integer unlimited max pages to permit in a receive MaxSendPages1 integer unlimited max pages to permit in a send MaxSetupAttempts integer 2 max attempts to initialize a modem MaxTries1 integer 3 max attempts to transmit a job MinAcceptedLineCount integer 10 min number of rows for OK page quality ModemGroup1 string - define a name for a set of modems ModemPriority integer 255 scheduling priority for outbound jobs ModemReadyState string R ''ready state'' sent by faxgetty ModemRingResponse string - command to respond after hearing RING ModemRingsBeforeResponse integer 0 the number of rings before ModemRingResponse NoAnswerVoice boolean false disable the answering of voice-indicated calls NoCarrierRetrys integer - Deprecated - See JobRetryNoCarrier NotifyCmd1 string bin/notify user notification command script PageChop1 string last control automatic truncation of trailing whitespace PageChopThreshold1 float 3.0 whitespace truncation threshold (inches) PCL2FaxCmd1 string bin/pcl2fax PCL RIP command script PercentGoodLines integer 95 percentage of good rows for OK page quality PollLockPokeModem boolean false check on modem every time the lock is polled PollLockWait2 integer 30 polling interval for lockfile presence/removal (secs) PollModemWait integer 30 polling interval when in ''modem wait'' state (secs) PollRcvdCmd string bin/pollrcvd delivery script for facsimile received by polling PostScriptTimeout1 integer 300 timeout on POSTSCRIPT interpreter runs (secs) PriorityScheduling boolean see below use available priority job scheduling mechanism PS2FaxCmd1 string bin/ps2fax POSTSCRIPT RIP command script QualifyCID obsolete - See DynamicConfig and RejectCall for rejecting calls QualifyPWD string - file of PWD patterns for qualifying senders QualifyTSI string - file of TSI patterns for qualifying senders RecvDataFormat string adaptive format for received facsimile data RecvFileMode octal 0600 protection mode to use for received facsimile files RejectCall boolean false Reject the current call RingData string - distinctive ring data call identifier RingExtended string - extended ring message identifier RingFax string - distinctive ring fax call identifier RingsBeforeAnswer integer 0 rings to wait before answering phone RingTimeout integer 6000 timeout in ms after RING before reset RingVoice string - distinctive ring voice call identifier RTNHandlingMethod string Retransmit-IgnoreRTN signal handling method SaveUnconfirmedPages boolean true save or delete unconfirmed pages SendFaxCmd1 string bin/faxsend fax transmit command script SendPageCmd1 string bin/pagesend pager transmit command script SendUUCPCmd1 string bin/uucpsend UUCP transmit command script ServerTracing2 integer 1 non-session server tracing SessionTracing2 integer 1 send and receive session tracing SpeakerVolume string Quiet volume level for modem speaker TagLineCoverNumString string - String substition when not counting cover pages TagLineFont string - tag line font filename TagLineFormat string see below tag line format string TIFF2FaxCmd1 string bin/tiff2fax TIFF converter command script TimeOfDay1 string Any default time-of-day restrictions Use2D1 boolean Yes restrict/permit use of 2D-encoded fax data UseJobTSI boolean No use job-specified TSI instead of LocalIdentifier UseJobTagLine boolean Yes Allow use of job-specified Tagline instead of TagLineFormat UUCPLockMode2 octal 0600 protection mode for UUCP lock files UUCPLockDir2 string see below UUCP lockfile directory UUCPLockTimeout2 integer 30 time before removing stale UUCP lockfile UUCPLockType2 string see below UUCP lockfile type VGettyArgs string - arguments passed to voice getty program WedgedCmd1 string bin/wedged command to run when modem is wedged ModemAnswerCmd string ATA command for answering phone ModemAnswerDataBeginCmd string - command for start of answered data call ModemAnswerDataCmd string ATA command for answering data call ModemAnswerDialCmd string ATA command for answering data call ModemAnswerFaxBeginCmd string - command for start of answered fax call ModemAnswerFaxCmd string ATA command for answering fax call ModemAnswerResponseTimeout integer 180000 answer command timeout (ms) ModemAnswerVoiceBeginCmd string - command for start of answered voice call ModemAnswerVoiceCmd string ATA command for answering voice call ModemATCmdDelay integer 0 delay before sending modem an AT cmd (ms) ModemBaudRateDelay integer 10 delay (ms) after setting baud rate ModemClassQueryCmd string AT+FCLASS=? command for querying modem services ModemCommaPauseTimeCmd string ATS8=2 command for setting time to pause for '','' in dialing string ModemDialCmd string ATDT%s command for dialing (%s for number to dial) ModemDialResponseTimeout integer 180000 dialing command timeout (ms) ModemDoPhaseCDebug boolean No query modem responses during Phase C transmit ModemDTRDropDelay integer 75 delay (ms) between DTR OFF and DTR ON ModemEchoOffCmd string ATE0 command for disabling command echo ModemFlowControl string XONXOFF DTE-DCE flow control scheme ModemFrameFillOrder string LSB2MSB bit order for HDLC frames ModemHardFlowCmd string - command for setting hardware flow control between DTE and DCE ModemMinSpeed string 2400 minimum acceptable transmit speed ModemMfrQueryCmd string - command for querying modem manufacturer ModemModelQueryCmd string - command for querying modem model ModemNoAutoAnswerCmd string ATS0=0 command for disabling auto-answer ModemNoAutoAnswerCmdDelay integer 0 time, in ms, to pause after a disabling auto-answer ModemNoFlowCmd string - command for disabling hardware flow control between DTE and DCE ModemOnHookCmd string ATH0 command for placing phone ''on hook'' ModemPageDoneTimeout integer 180000 page send/receive timeout (ms) ModemPageStartTimeout integer 180000 page send/receive timeout (ms) ModemRaiseATCommands boolean Yes raise AT commands in configuration to upper-case ModemRate integer 19200 baud rate to use for DCE-DTE communication ModemReadyCmds string - additional final commands when resetting modem ModemRecvFillOrder string see below bit order for received facsimile data ModemRecvSuccessCmd string - command to send after a successful reception ModemResetCmds string - additional commands when resetting modem ModemResetDelay integer 2600 delay (ms) after placing DTR ON ModemResultCodesCmd string ATQ0 command for enabling result codes ModemRevQueryCmd string see below command for querying modem firmware revision ModemSendBeginCmd string - command to send on establishing carrier ModemSendFillOrder string LSB2MSB bit order for sending facsimile data ModemSetVolumeCmd string see below commands for setting modem speaker volume level ModemSetupAACmd string - command for setting up adaptive answer ModemSetupDCDCmd string - command for setting up DCD handling ModemSetupDTRCmd string - command for setting up DTR handling ModemSoftFlowCmd string - command for setting software flow control between DTE and DCE ModemSoftResetCmd string ATZ command for doing a soft reset ModemSoftResetCmdDelay integer 3000 time, in ms, to pause after a soft reset ModemSoftRTFCC boolean Yes enable software-driven real-time fax compression conversion ModemType string see below modem type ModemVerboseResultsCmd string ATV1 command for enabling verbose result codes ModemWaitForConnect boolean No force server to wait for ''CONNECT'' response on answer ModemWaitTimeCmd string ATS7=60 command for setting time to wait for carrier when dialing FaxT1Timer integer 35000 CCITT T.30 T1 timer (ms) FaxT2Timer integer 7000 CCITT T.30 T2 timer (ms) FaxT4Timer integer 3100 CCITT T.30 T4 timer (ms) Class0Cmd string AT+FCLASS=0 Class 0: command to enter class 0 Class1Cmd string AT+FCLASS=1 Class 1: command to enter class 1 Class1Cmd string AT+FCLASS=1.0 Class 1.0: command to enter class 1 Class1AdaptRecvCmd string - Class 1/1.0: command for adaptive reception support Class1ColorJPEGSupport boolean No Class 1/1.0: to enable color JPEG fax support Class1EnableV34Cmd string - Class 1/1.0: command to enable V.34-fax support Class1ECMSupport boolean Yes Class 1/1.0: enable T.30-A ECM support Class1PersistentECM boolean Yes Class 1/1.0: to continue to correct while in ECM Class1ECMFrameSize integer 256 Class 1/1.0: image frame size in ECM protocol Class1ExtendedRes boolean - Class 1/1.0: enable extended resolution support Class1HasRHConnectBug boolean No Class 1/1.0: modem can report CONNECT incorrectly Class1HFLOCmd string - Class 1/1.0: command to set hardware flow control Class1FrameOverhead integer 4 Class 1/1.0: extra bytes in a received HDLC frame Class1GreyJPEGSupport boolean No Class 1/1.0: to enable grey JPEG fax support Class1HookSensitivity integer 0 Class 1/1.0: times to ignore on-hook detection Class1JBIGSupport string see below Class 1/1.0: to enable monochrome JBIG fax support Class1MRSupport boolean Yes Class 1/1.0: enable 2-D MR support Class1MMRSupport boolean Yes Class 1/1.0: enable 2-D MMR support Class1NFLOCmd string - Class 1/1.0: command to set no flow control Class1PageLengthSupport integer 7 Class 1/1.0: coded value for modem page length support Class1PageWidthSupport integer 7 Class 1/1.0: coded value for modem page width support Class1RecvAbortOK integer 200 Class 1/1.0: max wait (ms) for ''OK'' after recv abort Class1RecvIdentTimer integer 40000 Class 1/1.0: max wait (ms) for initial ident frame Class1RMPersistence integer 2 Class 1/1.0: times to attempt high-speed carrier recv Class1SFLOCmd string - Class 1/1.0: command to set software flow control Class1PPMWaitCmd string AT+FTS=7 Class 1/1.0: command to stop and wait before PPM Class1ResponseWaitCmd string - Class 1/1.0: command to wait before TCF response Class1Resolutions integer 0x7F Class 1/1.0: bitmap of supported resolutions Class1RMQueryCmd string AT+FRM=? Class 1/1.0: command to query modem data reception rates Class1TCFWaitCmd string AT+FTS=7 Class 1/1.0: command to stop and wait before TCF Class1TMQueryCmd string AT+FTM=? Class 1/1.0: command to query modem data transmission rates Class1EOPWaitCmd string AT+FTS=9 Class 1/1.0: command to stop and wait before EOP Class1ModemHasDLEBug boolean No Class 1/1.0: modem fails to double DLE in V.21 Class1MsgRecvHackCmd string "" Class 1/1.0: command to avoid +FCERROR before image data Class1TCFRecvHackCmd string "" Class 1/1.0: command to avoid +FCERROR before TCF Class1TCFMaxNonZero integer 10 Class 1/1.0: max% of non-zero data in good TCF Class1TCFMinRun integer 1000 Class 1/1.0: minimum zero run in good TCF Class1TCFMinRunECMMod integer 2 Class 1/1.0: modify minimum zero run in ECM by this factor Class1TCFRecvTimeout integer 4500 Class 1/1.0: max wait (ms) for TCF Class1TMConnectDelay integer 0 Class 1/1.0: delay between +FTM CONNECT and data transmission Class1SwitchingCmd string AT+FRS=7 Class 1/1.0: command to ensure silence after HDLC reception Class1ValidateV21Frames boolean No Class 1/1.0: check FCS against received frames Class2Cmd string AT+FCLASS=2 Class 2: command to enter class 2/2.0 Class2AbortCmd string AT+FK Class 2: command to abort active session Class2APCmd string AT+FAP Class 2: enable support for sending and receiving SUB, SEP, and PWD frames Class2APQueryCmd string AT+FAP=? Class 2: query capabilities for sending and receiving SUB, SEP, and PWD frames Class2BORCmd string AT+FBOR=0 Class 2: command to setup bit order Class2BUGCmd string AT+FBUG=1 Class 2: command to enable HDLC frame tracing Class2CIGCmd string AT+FCIG Class 2: command to set polling identifier Class2CRCmd string AT+FCR=1 Class 2: command to enable receive capability Class2CQCmd string - Class 2: command to setup copy quality parameters Class2CQQueryCmd string AT+FCQ=? Class 2: command to query modem copy quality capabilities Class2DCCCmd string AT+FDCC Class 2: command to set modem capabilities Class2DCCQueryCmd string AT+FDCC=? Class 2: command to query modem capabilities Class2DisableV17Cmd string - Class 2: command to disable V.17 support Class2DISCmd string AT+FDIS Class 2: command to set session parameters Class2DDISCmd string - Class 2: command to set session parameters before dialing Class2ECMType string ''2'' Class 2: ECM specification type to follow Class2HexNSF boolean Yes Class 2: parse NSF strings as hex values Class2HFLOCmd string - Class 2: command to set hardware flow control Class2JPEGSupport boolean No Class 2: use modem JPEG support Class2LIDCmd string AT+FLID Class 2: command to set local identifier string Class2MINSPCmd string AT+FMINSP Class 2: command to set minimum transmit speed Class2NFLOCmd string - Class 2: command to set no flow control Class2PACmd string AT+FPA Class 2: set polling address string Class2PHCTOCmd string AT+FPHCTO=30 Class 2: command to set Phase C timeout parameter Class2PTSCmd string AT+FPTS Class 2: command to set received page status Class2PWCmd string AT+FPW Class 2: set password string Class2RecvDataTrigger string ''\21'' Class 2: character to send to trigger recv Class2RELCmd string - Class 2: command to enable byte-aligned EOL codes Class2SACmd string AT+FSA Class 2: set destination subaddress string Class2SendRTC boolean No Class 2: append RTC to page data on transmit Class2SFLOCmd string - Class 2: command to set software flow control Class2SPLCmd string AT+FSPL Class 2: command to set polling request Class2TBCCmd string AT+FTBC=0 Class 2: command to enable stream mode Class2UseLineCount boolean No Class 2: use the line count from the firmware decoder Class2UseHex boolean No Class 2: parse capabilities strings as hex values Class2XmitWaitForXON boolean Yes Class 2: wait for XON before sending facsimile data Class2Cmd string AT+FCLASS=2.0 Class 2.0: command to enter class 2/2.0 Class2AbortCmd string AT+FKS Class 2.0: command to abort active session Class2APCmd string AT+FAP Class 2.0: enable support for sending and receiving SUB, SEP, and PWD frames Class2APQueryCmd string AT+FAP=? Class 2.0: query capabilities for sending and receiving SUB, SEP, and PWD frames Class2BORCmd string AT+FBO=0 Class 2.0: command to setup bit order Class2BUGCmd string AT+FBU=1 Class 2.0: command to enable HDLC frame tracing Class2CIGCmd string AT+FPI Class 2.0: command to set polling identifier Class2CRCmd string AT+FCR=1 Class 2.0: command to enable receive capability Class2CQCmd string - Class 2.0: command to setup copy quality parameters Class2CQQueryCmd string AT+FCQ=? Class 2.0: command to query modem copy quality capabilities Class2DCCCmd string AT+FCC Class 2.0: command to set modem capabilities Class2DCCQueryCmd string AT+FCC=? Class 2.0: command to query modem capabilities Class2DisableV17Cmd string - Class 2.0: command to disable V.17 support Class2DISCmd string AT+FIS Class 2.0: command to set session parameters Class2ECMType string ''2.0'' Class 2.0: ECM specification type to follow Class2HexNSF boolean Yes Class 2.0: parse NSF strings as hex values Class2HFLOCmd string AT+FLO=2 Class 2.0: command to set hardware flow control Class2JPEGSupport boolean No Class 2.0: use modem JPEG support Class2LIDCmd string AT+FLI Class 2.0: command to set local identifier string Class2MINSPCmd string AT+FMS Class 2.0: command to set minimum transmit speed Class2NFLOCmd string AT+FLO=0 Class 2.0: command to set no flow control Class2NRCmd string AT+FNR=1,1,1,1 Class 2.0: command to set negotiation message reporting Class2PACmd string AT+FPA Class 2.0: set polling address string Class2PHCTOCmd string AT+FCT=30 Class 2.0: command to set Phase C timeout parameter Class2PIECmd string AT+FIE=0 Class 2.0: command to set procedure interrupt handling Class2PWCmd string AT+FPW Class 2.0: set password string Class2PTSCmd string AT+FPS Class 2.0: command to set received page status Class2PTSQueryCmd string AT+FPS? Class 2.0: command to query received page status Class2RecvDataTrigger string ''\22'' Class 2.0: character to send to trigger recv Class2RELCmd string - Class 2.0: command to enable byte-aligned EOL codes Class2RTFCC boolean No Class 2.0: enable real-time fax compression conversion Class2SACmd string AT+FSA Class 2.0: set destination subaddress string Class2SendRTC boolean No Class 2.0: append RTC to page data on transmit Class2SFLOCmd string AT+FLO=1 Class 2.0: command to set software flow control Class2SPLCmd string AT+FSP Class 2.0: command to set polling request Class2TBCCmd string AT+FPP=0 Class 2.0: command to enable stream mode Class2UseLineCount boolean No Class 2.0: use the line count from the firmware decoder Class2UseHex boolean No Class 2.0: parse capabilities strings as hex values PagerSetupCmds string - commands for setting up modem for a pager call PagerMaxMsgLength integer 128 max length of a text message IXOService string ''PG'' IXO: service identification string IXODeviceID string ''1'' IXO: device identification string IXOMaxUnknown integer 3 IXO and UCP: max unknown responses before abort IXOIDProbe integer 2 IXO: time between sending \r during ID sequence (secs) IXOIDTimeout integer 20 IXO: max time to wait for ID= response (secs) IXOLoginRetries integer 3 IXO: max attempts to login IXOLoginTimeout integer 15 IXO: max time to complete login (secs) IXOGATimeout integer 30 IXO: max time to wait for Go-Ahead response (secs) IXOXmitRetries integer 3 IXO and UCP: max retries to send text msg block IXOXmitTimeout integer 15 IXO and UCP: max time to transmit text msg block IXOAckTimeout integer 30 IXO: max time to wait for msg block ack (secs)

SERVER-ORIENTED CONFIGURATION PARAMETERS

These configuration parameters affect the general operation of the fax server. AdaptiveAnswer Control whether or not an adaptive answering strategy is used whereby an incoming call is answered in multiple ways according to the list specified in the AnswerRotary parameter. For example, if adaptive answering is enabled and AnswerRotary specifies ''fax data'', then an incoming call will first be answered as fax using ModemAnswerFaxCmd and then, if that fails, as data using ModemAnswerDataCmd. If the adaptive answer strategy is not enabled, then calls are answered using the appropriate ModemAnswer*Cmd parameter (normally ModemAnswerCmd for unattended operation). Note that the adaptive answer strategy depends on many factors that limit its usefulness. When calls are answered first as fax, it typically only works with a Class 1 modem because it is important that the sequence of operations related to answering as fax be completed in a short enough time that a subsequent answer for data be done before the caller times out and hangs up the telephone (for this reason Class1RecvIdentTimer should be set to a value that is shorter than FaxT1Timer.) Also, note that it is sometimes necessary to arrange that the phone be placed on-hook between successive answers; this can typically be done by inserting the appropriate command at the start of the second and subsequent ModemAnswer*Cmds. AdminGroup Tells PAM what user group is allowed to administer the fax server. Only useful if the server is compiled with PAM enabled. AnswerRotary The sequence of answering techniques the server should ''rotate through'' when answer incoming calls. Answering techniques are: Name Description fax answer a fax call data answer a data call voice answer a voice call extern use the vgetty application to answer a call any answer a call of any/unknown type When a call is not answered successfully, the server advances the rotary to the next specified answering technique. If AdaptiveAnswer is enabled, the server will try all the answering techniques for each incoming call. Otherwise, the rotary is advanced between unsuccessful phone calls. For example, if AdaptiveAnswer is disabled and AnswerRotary is ''fax data'', then the calls will initially be answered as fax until the first call is received that does not appear to be from a fax machine; after that calls will be answered as if they were from a data modem until the next unsuccessful call; after which they will one again be answered as fax. Only the first three techniques listed are used; any additional ones are (silently) ignored. See also AnswerBias. AnswerBias The index into the AnswerRotary list that the server should rotate the list to after each successful incoming phone call. List indices are numbered starting at zero. For example, if AnswerRotary is ''fax data'' and AnswerBias is 1, then after each successful inbound call, the next call will be answered as data. AreaCode2 The local area code in which the facsimile modem resides. This value is passed to the dial string rules that are used, for example, to formulate canonical phone numbers for dialing (see DialStringRules below.) AuditHook1 Specifies a program command and an interest specification indicating which events as described in faxwatch(8) should trigger the execution of the program. For example, this configuration: AuditHook: "bin/hook: J*S*M*R*" would cause bin/hook to be executed upon every event. The arguments passed to the hook program are respectively <class>, <mask>, <id>, and optionally [info] where... <class> = JOB | SEND | MODEM | RECV <mask> = the specific event <id> = id of the job/modem with which the event is associated [info] = additional information BadPageHandlingMethod (Class 1/1.0 only) Specifies how to react to a bad page received from the remote sender: one of ''RTN'', ''DCN'', or ''RTN- SAVE''. If a page is received in non-ECM mode with unacceptable quality according to PercentGoodLines or MaxConseutiveBadLines then it can be somewhat difficult to inform the sender of the problem. Historically, HylaFAX has assumed that signalling RTN to the sender will accomplish this. However, some senders are incapable of retransmitting pages, and to reduce burden they treat an RTN signal as a receipt confirmation and proceed to the next page without notifying the sending user of the potential problem in readability on the receive-end. (The assumption there being that the receiving user will notify the sending user if there actually is a readability problem.) A setting of ''RTN'' is the historic behavior and assumes that an RTN signal will be enough to get the sender to retransmit or be otherwise informed of a potential readability problem on the receive-end. The previously-received page data is marked to be overwritten by the next page data received from the sender. A setting of ''DCN'' tells HylaFAX to transmit a DCN signal in response to the post-page message and should trigger a call abortion by the sender. This should clearly indicate a problem in page readability to the sender, although the receipt of any following pages in a later call cannot be guaranteed. A setting of ''RTN-SAVE'' more closely approximates the behavior of other fax receivers (especially fax machines). It causes HylaFAX to send the RTN signal but it saves the previously received page data and places the next transmitted page data in another page. This is the default setting. However, this could result in multiple copies of the same page image being saved in the same file - if the sender does indeed retransmit the unacceptable pages during the same call. BatchLogs1 When sending or receiving multiple documents (denoted by EOM), this value determines if the session logs span the entire batch or, if set to no, only contain a single document. CallIDPattern A string that identifies the caller's identity in any call identification messages provided by the modem (such as Caller*ID or DNIS/DID). The specified string is compared against any unrecognized status messages received from the modem before ModemAnswerCmd is sent to the modem. If there is a match, then the remainder of the message is returned as CallIDn where n corresponds to the n'th instance that this CallIDPattern is from the top in the modem configuration file. For example, for the ZyXEL U-1496 this parameter would be set to CallIDPattern: ''CALLER NAME: '' (note the trailing space). If more than one message matches between instances of "RING" messages, then the message remainders are concatenated. The special CallID value of "SHIELDED_DTMF" is used in conjunction with ModemRingResponse and CallIDAnswerLength. After executing ModemRingResponse, HylaFAX will expect DTMF data (usually DLE-shielded) for CallIDn until CallIDAnswerLength is reached. Note that if the modem is in voice mode to hear these DTMF digits, then it must be returned to fax mode in the ModemAnswerCmd. In order to prevent this feature from losing incoming fax calls, if fax sender CNG is detected while waiting for DTMF or if ten seconds elapse without sufficient DTMF then the remaining expected digits will be populated by whitespace, triggering fax answering. For example, the following settings will cause HylaFAX to enter voice mode and go off-hook when a RING is detected. It will then expect four DTMF digits (presumably for routing), and then it will pause for 100 ms before returning to fax mode and answering the call. ModemRingResponse: AT+FCLASS=8;H1 CallIDPattern: SHIELDED_DTMF CallIDAnswerLength: 4 ModemAnswerCmd: <delay:100>AT+FCLASS=1;A For modems that do not support AT+FCLASS=8 (such as some USR modems) this may be an appropriate equivalent: ModemRingResponse: "AT#CLS=8\nAT#VLS=4\nATA" CallIDPattern: SHIELDED_DTMF CallIDAnswerLength: 4 ModemAnswerCmd: "<delay:100>AT+FCLASS=1\nATA" Multiple entries of CallIDPattern are used together in one modem configuration file in order to capture multiple CallID responses. For example, the following settings would capture "NDID" responses from the modem as CallID1, "NMBR" responses from the modem as CallID2, "NAME" responses as CallID3, and it would trigger ModemAnswerCmd whenever CallID1 or CallID2 were longer than 7 or 10 characters, respectively. CallIDPattern: "NDID=" CallIDAnswerLength: 7 CallIDPattern: "NMBR=" CallIDAnswerLength: 10 CallIDPattern: "NAME=" Note that this example is only given as an example, and probably would cause unexpected results. Because pattern-matching ends when ModemAnswerCmd is sent to the modem, if "NDID", "NMBR", and "NAME" responses came from the modem in that order, and the "NDID" response was at least 7 characters long, then ModemAnswerCmd would be sent to the modem immediately following the "NDID" response, and the "NMBR" and "NAME" responses would be ignored. Generally only one CallIDAnswerLength item should be in a modem configuration file. CallIDAnswerLength An integer indicating the minimum number of characters in a CallID matching the previous CallIDPattern to be received when ModemAnswerCmd is sent to the modem irrespective of any RingsBeforeAnswer value greater than zero. This allows the answering of calls which deliver CID/DID data but not RINGs. For example, CallIDAnswerLength: ''7'' would cause the call to be answered when CallID2 reached a length of seven digits. A value of zero for CallIDAnswerLength disables this feature. ClocalAsRoot Control whether operations that set the CLOCAL bit on the modem device special file are done with the effective user-ID set to the super-user or the ''fax'' user. By default such operations are done as the fax user, except under IRIX where they are done as the super-user (because IRIX disallows manipulation of CLOCAL by anyone but the super-user). ContCoverCmd1 The command to invoke to generate a continuation cover page; see ContCoverPage and mkcover(8). ContCoverPage1 A template file to use in creating continuation cover pages. If this parameter is non-null, then the server will pass the filename to the command specified by ContCoverCmd to generate cover pages for outbound jobs that are continued after protocol errors. These cover pages identify the receiver and indicate that the document is a continued transmission. If this parameter is not specified or is null, then the server will not generate continuation cover pages. The specified pathname must be relative to the top of the fax server's spooling area. CountryCode2 The local country code in which the facsimile modem resides. As for AreaCode, this value is passed to the dial string rules for use in formulating canonical phone numbers for dialing (among other things.) CountSkippedPages If a page range has been specified in the job, and pages are being skipped during the send, this controls if the pages skipped are counted in the pages counted and totaled. If skipped pages are to be counted, it will appear as if the pages were instantly sent in 0:00 with no data. The tagline counts will be incremented on skipped pages, and faxq will notify clients via triggers of them as well. If the are not to be counted, then tagline page counts will act as if the pages never existed, and not faxq trigger notifications will be sent. DeviceMode The file protection mode that the server should set for the modem device file. Note that this value is given in octal. The default value of 0600 implies that only the facsimile user (usually uucp) can access the modem. See also chmod(2). DialStringRules2 The pathname of the file that holds the rules for processing user-specified dial strings; c.f. dialrules(5). The specified pathname must be relative to the top of the fax server's spooling area; e.g. etc/dialrules. DistinctiveRings Modern distinctive ring support on most modems indicates the ring cadence rather than the older style of ''RING1'', ''RING2'', etc. To indicate the ring cadence, DRingOn and DRingOff values are presented by the modem to the faxgetty process. The modem indicates the entire cadence between ''RING'' indications Like this: RING DROF=40 DRON=8 DROF=4 DRON=8 RING The corresponding DistinctiveRings parameter for this ring cadence would be: DistinctiveRings: F-8-4-8 where ''F'' tells the faxgetty process that the ring cadence is for a facsimile (''V'' for voice and ''D'' for data), and the other values describe the ring cadence with leading and ending DRingOff values ignored. Multiple ring cadences are indicated by delimiting them with commas in this fashion: DistinctiveRings: V-20,F-8-4-8,D-4-2-4-8 DRingOff A string that identifies the ''off'' value in any distinctive ring cadence, for example ''DROF=''. See also DRingOn and DistinctiveRings. DRingOn A string that identifies the ''on'' value in any distinctive ring cadence, for example ''DRON=''. See also DRingOff and DistinctiveRings. DynamicConfig The pathname of the optional program, e.g. ''etc/localid'', that makes dynamic configuration changes, i.e., to LocalIdentifier, based on device ID and call identification. The program is passed those values as the parameters ($1 = device id, $2 = CallID1, $3 = CallID2, $4 = CallID3, ...), when answering an incoming call. The program can then perform local processing as desired to send on standard output the configuration items to change in a ''parameter:value'' format, i.e. ''LocalIdentifier: +1.800.555.1212''. If there are multiple parameters to be changed, then each item must be on its own line. This is commonly used to dynamically alter the local identification of systems which use DID/DNIS, but it can also be used to allow different modem configurations for different senders. This program can also set the RejectCall options to cause the current call to be rejected instead of answered. Note that this file must be marked as executable by the faxgetty process. EGettyArgs A string that indicates whether or not the server should use an an external getty application to deduce and possibly handle an incoming call. If the string value is not null, then it is interpreted as a set of arguments to pass to the getty program. Before supplying the arguments, the string is first scanned for ''%''-escape sequences: any appearance of ''%l'' is replaced with the tty name and any appearance of ''%s'' is replaced with the serial port speed (in decimal). Any appearance of escaped numbers 1 through 9 (''%1'' through ''%9'') are replaced by the match to the corresponding CallIDPattern, if present. The ''%'' character can be specified with ''%%''. If the EGettyArgs parameter is not specified in the configuration file or if the string value is null, then ''extern'' connections will be rejected. Note that in addition to the specified command line arguments, the external getty program is invoked with its standard input, output, and error descriptors directed to the controlling tty device. When the external getty application completes, its exit status is evaluated and is interpreted to indicate what, if anything, should be done with the call. An exit status of ''0'' indicates an unknown call type and that the call should be handled as if the external getty program had not been used. An exit status of ''1'' indicates a data connection and that the getty(8) program should be used to handle the call (see GettyArgs) after being answered with ModemAnswerDataBeginCmd . An exit status of ''2'' indicates a fax connection that should be handled after being answered with ModemAnswerFaxBeginCmd. An exit status of ''3'' indicates a voice call and that the vgetty program should be used to handle the call (see VGettyArgs) after being answered with BR ModemAnswerVoiceBeginCmd . An exit status of ''4'' is considered to be an error condition. The session will be terminated. An exit status of ''5'' is used to indicate that the external getty program handled the call entirely, is not an error condition, and that the session is to be considered terminated. FAXNumber The phone number associated with the facsimile modem. This string is used to generate the Transmitter Subscriber Identification (TSI) and Caller Subscriber Identification (CSI) information passed to remote machines--unless the LocalIdentifier parameter is explicitly set. The FAXNumber is also used to name the session log file where information for incoming phone calls is recorded; see hylafax-log(5). If this phone number is not a fully qualified number the values of AreaCode and CountryCode are used to generate the transmitted CSI and TSI. Include2 Include the specified file and parse it as a config file InternationalPrefix2 The string to use to place an international phone call. In the United States, this is ''011''. This string is passed to the dial string rules. JobControlCmd1 The command to invoke to which provides Job Control information for a job. See JobControl(8). JobReqBusy The delay in seconds to wait before retrying a job whose dialing attempt failed with a ''BUSY'' status result. JobReqDataConn The delay in seconds to wait before retrying a facsimile job whose dialing attempt failed because a data modem answered the phone. JobReqNoAnswer The delay in seconds to wait before retrying a job whose dialing attempt failed with a ''NO ANSWER'' status result. JobReqNoCarrier The delay in seconds to wait before retrying a job whose dialing attempt failed with a ''NO CARRIER'' status result. JobReqNoFCon The delay in seconds to wait before retrying a facsimile job whose dialing attempt failed because the initial facsimile protocol handshake failed (i.e. no ''+FCON:'' result was received from a Class 2/2.0 modem). JobReqOther2 The delay in seconds to wait before retrying a job that failed for a reason not already covered by one of the JobReq* parameters. JobReqProto The delay in seconds to wait before retrying a facsimile job that failed because of a fax protocol error. JobRetryBusy The number of times to redial a phone number after receiving a ''BUSY'' result code when the number has not been successfully dialed before. JobRetryDataConn The number of times to redial a phone number after the dialing attempt failed because a data modem answered the phone when the number has not been successfully dialed before. JobRetryNoAnswer The number of times to redial a phone number after the dialing attempt failed because of NO ANSWER when the number has not been successfully dialed before. JobRetryNoCarrier The number of times to redial a phone number after the dialing attempt failed because of NO CARRIER when the number has not been successfully dialed before. In normal operation the fax server will treat this result code to mean that a facsimile modem/machine did not answer the phone and reject the transmit job. This is done to avoid repeatedly dialing wrong phone numbers and depends on the modem distinguishing between no carrier and no answer. However, some modems are not capable of reliably distinguishing between no carrier and no answer, or when instructed to do so do not identify a busy signal correctly. For these modems one may find it necessary to increase the value of this parameter to compensate. It is strongly recommended, however, that this value not be set to a large number. JobRetryOther The number of times to redial a phone number after the dialing attempt failed for a reason not already covered by one of the other JobRetry* parameters when the number has not been successfully dialed before. GettyArgs A string that indicates whether or not the server should invoke the getty(8) program in response to an incoming call from a data modem. If the string value is not null, then it is interpreted as a set of arguments to pass to the getty program. Before supplying the arguments, the string is first scanned for ''%''-escape sequences: any appearance of ''%l'' is replaced with the tty name and any appearance of ''%s'' is replaced with the serial port speed (in decimal). Any appearance of escaped numbers 1 through 9 (''%1'' through ''%9'') are replaced by the match to the corresponding CallIDPattern, if present. The ''%'' character can be specified with ''%%''. If the GettyArgs parameter is not specified in the configuration file or if the string value is null, then data connections will be rejected. Note that in addition to the specified command line arguments, the getty program is invoked with its standard input, output, and error descriptors directed to the controlling tty device. LocalIdentifier The local station identification string to use when transmitting TSI and CSI strings (see FAXNumber above). NB: while this string may contain any printable ASCII characters; beware that CCITT T.30 specifies a restricted character set and some fax modems and machines may reject or not display non-conforming strings. If the local identifier is not specified, a canonical form of the FAXNumber is used instead. LockDataCalls Hold the UUCP lockfile during the time an inbound data call is processed by the external getty program. If this is disabled then the lockfile will be removed just before the getty program is invoked. Note however that doing this introduces a race condition whereby an outbound program may sneak in and take control of the modem after the inbound call has been accepted, but before the getty program has started up and installed it's own lockfile. LockVoiceCalls Hold the UUCP lockfile during the time an inbound data call is processed by the external voice getty program. If this is disabled then the lockfile will be removed just before the voice getty program is invoked. Note however that doing this introduces a race condition whereby an outbound program may sneak in and take control of the modem after the inbound call has been accepted, but before the voice getty program has started up and installed it's own lockfile. LogFacility2 The symbolic name for the syslog(3) facility to use when logging error messages and informational/debugging messages requested through the ServerTracing parameter. The list of facility names is standardized; it can be found in the system include file <syslog.h>; comparisons are case-insensitive. LogCalls Log all incoming calls into xferfaxlog as CALL records. This allows a quick check of all incoming calls, regardless of fax completion or not in a unified manner with other fax logs. LogFileMode The file protection mode that should be used when creating files to hold session logs. Note that this value is given in octal. The default value of 0600 implies that the log files are not generally accessible, which is important if sensitive information such as calling card access codes are logged. If log files are to be publicly accessible, this value may be set, for example, to 0644. See also chmod(2). LongDistancePrefix2 The string to use to place a long distance phone call. In the United States, this is ''1''. MaxConcurrentCalls1 The default value to use for the maximum number of jobs for the same destination that are processed concurrently. Thus this parameter defines the maximum number of concurrent phone calls to the same destination. Unless all of your fax destinations have multiple fax lines using the same fax number per destination then MaxConcurrentCalls is probably best left as the default of 1 and exceptions should be accommodated by the JobControl mechanism. MaxBatchJobs1 The maximum number of jobs to batch together in a single call. MaxConsecutiveBadLines The maximum number of consecutive erroneous rows of image data that the server will receive before it deems a page to have unacceptable copy quality. Setting this parameter to zero causes the server to not check the quality of received facsimile. Facsimile received with error-correction do not have copy quality checking performed. See also PercentGoodLines. MaxDials1 The default value for the maximum number of times the server will place a call for an outbound job. This value may be overridden by rules in the JobControl mechanism. See also MaxTries. MaxRecvPages The maximum number of pages the server will accept in a received facsimile before it aborts the session. MaxSendPages1 The default value for the maximum number of pages the server will permit in a transmitted facsimile. Outbound jobs that exceed this limit are rejected. This value may be overridden by rules in the JobControl mechanism. MaxSetupAttempts The maximum number of times a HylaFAX server program will attempt to initialize a modem before considering it ''wedged''. MaxTries1 The default value for the maximum number of times the server will attempt to communicate with a remote site. Note that for a call to be counted against this limit, carrier must be established; this is in contrast to the value of MaxDials which limits the number of calls that will be placed on behalf of a job. This value may be overridden by rules in the JobControl mechanism. See also MaxDials. MinAcceptedLineCount The minimum number of received scanlines allowed on an ''OK'' page. The use of this setting prevents confirmation from being sent for very short pages. ModemGroup1 Define a logical name for a set of modem devices. This parameter can be used to define a name that clients can use to refer to a collection of modems. The syntax is ''<name> <regex>'' where <name> is the name for the group and <regex> is a regular expression that faxq(8) matches against known modems. Thus for example, the default modem to use for a job, any, is defined as ''any:.*''. This parameter may be specified multiple times to define multiple modem classes. Modem classes may overlap. The actual set of modems in a modem class that are considered for use may vary based on which modems are believed to be ready for use. ModemPriority The scheduling priority to use for a modem. Priority values are in the range 0 to 255 with lesser values signifying higher (more desirable) priority. The HylaFAX scheduler process assigns the highest priority modem that is ready for use when scheduling an outbound job. If multiple available modems in a job's selected ModemGroup have the same ModemPriority value, then the HylaFAX scheduler assigns jobs to them in a round-robin fashion. NoAnswerVoice Whether or not to disable the answering of calls indicated as voice (e.g. by DistinctiveRings ). NoCarrierRetrys This is mapped onto JobRetryNoCarrier ModemReadyState Define the state transmitted to the HylaFAX scheduler process each time a modem is made ready by a faxgetty process. State is one of: ''R'' (ready for use), ''B'' (busy), or ''D'' (down). The modem state can be used to control whether or not modems are assigned to outbound jobs. A modem's state is initially set to ''R'' (ready). Modem state can be dynamically changed with the faxstate(8) program or by setting this configuration parameter with the faxconfig(8) program. ModemRingResponse This can be used to cause the command defined by ModemRingResponse to be sent to the modem after hearing at least ModemRingsBeforeResponse RINGs in order to receive DID-DTMF data, for example. ModemRingsBeforeResponse This defines the minimum number of RINGs that must be heard before ModemRingResponse is first sent to the modem. NotifyCmd2 The command to invoke to notify a client of a job status change; see notify(8). PageChop1 Whether or not to automatically truncate trailing whitespace on pages of outbound facsimile (when possible). If page chopping is enabled, then pages with at least PageChopThreshold trailing whitespace on a page will be transmitted as a ''short page'' if the receiver is capable of accepting variable-length pages. The possible values are: ''last'' to enable chopping of the last page of each document, ''all'' to enable chopping of all pages, or ''none'' to disable page chopping. PageChopThreshold1 The minimum amount of trailing whitespace that must be present on a page before page chopping will be attempted; see PageChop. Note that this value is specified in inches. PCL2FaxCmd1 The command to invoke to convert a HP-PCL document submitted for transmission to TIFF/F, suitable for transmission. PercentGoodLines The minimum percentage of good rows of image data required for a received facsimile page to be deemed to have acceptable copy quality. Setting this parameter to zero causes the server to not check the quality of received facsimile. Facsimile received with error-correction do not have copy quality checking performed. See also MaxConsecutiveBadLines. PollLockPokeModem When polling for the presence/removal of a UUCP lockfile, also test to make sure the modem is still reachable. This is useful for scenarios where the modem is apt to become disconnected while the modem is idle, such as an external modem that may lose power, where the administrator wants notification of this (as a ''wedged'' condition). PollLockWait When polling for the presence/removal of a UUCP lockfile, the time (in seconds) to wait between checks. Lockfile polling occurs to ensure the fax server doesn't collide with another process using the modem. PollModemWait The time (in seconds) to wait between checks for a modem to become ready for use. Modem polling occurs when a modem fails to reset cleanly. PriorityScheduling Indicates whether the HylaFAX scheduler should utilize available priority job scheduling mechanisms to enhance realtime execution, particularly with Class 1 configurations on older or slower systems. Currently PriorityScheduling is available for IRIX, SVR/4, HP- UX, and POSIX-compliant (i.e. Linux) operating systems. The default value varies to maintain traditional HylaFAX behavior. On IRIX, SVR/4, and HP-UX systems where the configure script detects one of the functions schedctl(), priocntl() or rtprio() the default is true. The only other supported priority mechanism is POSIX sched_setscheduler(), which is used on Linux, OpenServer and possibly other systems. On such systems, as well as on systems where no priority scheduling mechanism exists, the default is false." PS2FaxCmd1 The command to invoke to convert a POSTSCRIPT document submitted for transmission to TIFF/F, suitable for transmission; see ps2fax(8). QualifyPWD A string that specifies whether or not the identity of calling facsimile machines should be checked against an access control list before receiving facsimile. If QualifyPWD is non-null, then only messages from facsimile machines identified in the file specified by the string (typically etc/passwd) will be accepted; similar to QualifyTSI. QualifyTSI A string that specifies whether or not the identity of calling facsimile machines should be checked against an access control list before receiving facsimile. If QualifyTSI is non-null, then only messages from facsimile machines identified in the file specified by the string (typically etc/tsi) will be accepted; see tsi(5). If QualifyTSI is not specified in the configuration file, or the value is null, then all incoming facsimile messages will be accepted. RecvDataFormat The data format (compression scheme) to write received facsimile data when copy quality checking is performed on the host. (When copy quality checking is not done by the server, for example when error correction protocol is used, the received facsimile data is written exactly as it is received from the modem.) The format may be one: ''1-D MH'', ''2-D MR'', ''2-D MMR'', or ''adaptive''. An ''adaptive'' format causes the received data to be written using the data format negotiated by the sender and receiver. Note that while 2-D MMR is the most space-efficient data format the resultant file may not be viewable (certain commonly used programs do not properly read multi-strip TIFF with 2-D MMR data). RecvFileMode The file protection mode that should be used when creating files to hold incoming facsimile. Note that this value is given in octal. The default value of 0600 implies that only the facsimile user can read received facsimile. If incoming facsimile are to be publicly accessible, this value may be set, for example, to 0644. See also chmod(2). RejectCall If this is set to true, the current call will not be answered, and will be rejected. This option has no effect if set in the configuration file, but when set by the DynamicConfig program, controls the current call. This options supersedes the obsolete QualifyCID option. RingData A modem status string that identifies that an incoming call is for data use. This string should be set when a phone line has been setup with distinctive ring service. See also RingFax and RingVoice. RingExtended An identifier which matches the initial portion of an extended RING message sent by the modem to relay CID and/or DNIS data instead of sending it formatted on separate lines. RingFax A modem status string that identifies that an incoming call is for facsimile use. This string should be set when a phone line has been setup with distinctive ring service. See also RingData and RingVoice. RingsBeforeAnswer The number of rings to wait before answering the phone. If this value is set to 0, then the phone will only be answered in response to an explicit answer command; see faxanswer(8). RingTimeout If a ring is heard and the call is not answered, the time in ms to wait before reinitializing the modem for the next call. RingVoice A modem status string that identifies that an incoming call is for voice use. This string should be set when a phone line has been setup with distinctive ring service. See also RingData and RingFax. RTNHandlingMethod Specifies how to react to an RTN signal received from the remote: one of ''Retransmit'', ''Giveup'',''Ignore'', or ''Retransmit-Ignore''. ''Retransmit'' assumes that the page is not received successfully. HylaFAX will make up to two additional attempts to send the page, decreasing signalling rate and retraining. If RTN continues, up to 2 additional calls will be placed. The downside is that if the remote always responds with RTN, the page will be sent 9 times and no following pages will be sent. Many fax machines will not behave this way, although T.30 specification seems clear that this is the intent of the RTN signal. Many fax machines will interpret RTN as meaning to not send the same data again. That is because RTN may indicate problems with flow control, incorrectly encoded T.4 data, or some incompatibility other than line noise. Fax machines that interpret RTN this way will disconnect and require a manual retransmission. This ''over and out'' behaviour can be activated by the ''Giveup'' value. The advantage to this behavior is that the same page of image data will not be sent multiple times, but the downside is that the following pages will not be sent. ''Ignore'' is similar to ''Giveup'' in that it makes the assumption the data cannot be automatically accepted by the receiver. However, rather than disconnecting the page of image data is abandoned and processing moves on to the next. The remote is left to decide what to do with the unacceptable page of image data. The downside to this behavior, is that the remote may or may not have kept the page, depending on its interpretation of the RTN signal - but it does allow us to continue on to the next page. ''Retransmit-Ignore'' is a combination of ''Retransmit'' and ''Ignore''. The page of image data is retransmitted up to two additional times, but rather than disconnecting after a third RTN signal for the same page, processing then continues on to the next page. This approach is an effort to satisfy both interpretations of an RTN signal. It allows the receiver to hopefully receive a better copy of the image data while not failing to send subsequent pages. If the receiver saves or prints a copy of pages for which it transmits RTN, then it could save or print up to three copies of every page. SaveUnconfirmedPages Whether or not to save a received facsimile image page if the sender disconnects without sending the post-page message, without hearing our message confirmation, without retraining as requested, or otherwise breaks fax protocol following such pages for which the sender should not have a ''receipt confirmation''. SendFaxCmd1 The command to use to process outbound facsimile jobs; see faxsend(8). SendPageCmd1 The command to use to process outbound pager jobs; see pagesend(8). SendUUCPCmd1 The command to use to process outbound UUCP jobs. This parameter is not currently used, it is for future development. ServerTracing2 A number that controls the generation of tracing information by a server when not actively sending or receiving facsimile. Tracing is divided into areas that are individually controlled. To enable tracing of multiple areas of operation, the flag associated with each area should be bit-or'd to form the value for this tag. Flag Area Description 1 (0x00001) Server Operation queue management and general operation 2 (0x00002) FAX/IXO Protocol T.30 facsimile protocol or IXO/TAP protocol 4 (0x00004) Modem Operations modem hardware manipulation 8 (0x00008) Modem Communications commands passed between host and modem 16 (0x00010) Timeouts timer operations 32 (0x00020) Modem Capabilities modem capabilities 64 (0x00040) HDLC Frames binary T.30 HDLC frames 128 (0x00080) Binary Modem I/O binary communication between host and modem 256 (0x00100) Server State Transitionsserver program state transitions 512 (0x00200) Queue Management job queue management 1024 (0x00400) Copy Quality copy quality checking of received facsimile 2048 (0x00800) Job Management low-level job management 4096 (0x01000) IXO Protocol low-level IXO protocol 8192 (0x02000) Config File Parsing unknown configuration file parameters 16384 (0x04000) FIFO Messages inter-application messages 32768 (0x08000) Modem State Transitions modem state changes (down, busy, ready) 65536 (0x10000) Dial Rules dialstring rules parsing and execution 131072 (0x20000) Docq Changes document reference handling 262144 (0x40000) TIFF library any messages produced by the TIFF library 524288 (0x80000) ECM Frames binary T.30-A HDLC ECM frames For example, to enable tracing of server operations and protocol operations, a value of 1+2=3 should be specified. NB: tracing timeouts and/or binary modem I/O can adversely affect the operation of the fax server; enabling these areas should be done with extreme care. Server tracing is directed to syslog(3) using the facility specified with the LogFacility configuration parameter. Note that syslogd(8) must be configured to capture facility.info, facility.debug, facility.warning, and facility.err messages. See hylafax-log(5) for a description of the logged messages. SessionTracing2 A number that controls the generation of tracing information by a server while sending or receiving facsimile. The number is interpreted identically to ServerTracing. Note that session tracing is placed in log files in the log subdirectory; see hylafax-log(5) for more information. SpeakerVolume The volume level that the in-modem speaker should be adjusted to while in command mode. The possible values are: Value Description Off silent Quiet almost inaudible Low tolerable in privacy Medium loud enough to hear in the next room High intolerable Note that the speaker is always turned off once carrier is established. Also beware that some modems support fewer volume settings; see ModemSetVolumeCmd. TagLineCoverNumString Setting TagLineCoverNumString instructs faxsend to not include the cover pages in the normal page numbering mechanism. The page numbers used in the tagline generation will adjusted to not count the cover pages, and the TagLineCoverNumString value wil be used instead of a page number on the tagline of the cover page. TagLineFont The filename of the font to use in imaging tag lines across the top of each transmitted page. Fonts must be stored in the Portable Compiled Font (PCF) format used by the X11 Window System. Filenames are specified relative to the root of the spooling area; e.g. etc/lutRS18.pcf. If no font is specified, if a null filename is specified, or if the specified font file is not readable, then tag lines will not be generated. See also TagLineFormat. TagLineFormat The format string to use when imaging tag lines across the top of each transmitted page. This string may include escape codes that cause various items to be interpolated into the imaged tag line. Any escape code supported by strftime(3C) may be used as well as the following server-implemented codes: Escape Description %%a destination subaddress %%c destination company name %%C sender's company name %%d destination phone number %%g destination geographic location %%G sender's geographic location %%i job identifier %%I group identifier %%j user-specified job tag %%l LocalIdentifier or canonicalized FAXNumber %%m sender's electronic mail address %%n canonicalized FAXNumber %%p current page number of session %%P current page number of job %%r receiver's name %%s sender's name %%S subject %%t total pages in session %%T total pages in job %%v destination voice number %%V sender's voice number %%% ''%'' In addition, the format string may indicate that text is to be centered in multiple equal-sized fields by separating text with ''|'' characters. For example, ''a|b|c'' would cause the tag line to be broken up into three equal-sized areas with the strings ''a'', ''b'', and ''c'' centered within each region. The default tag line format string is ''From %%n|%c|Page %%P of %%T''. The differences between the %%p or %%P and the %%t or %%T options are noticed when a fax job is retried after an incomplete attempt and only the previously unsent pages are then queued in a successive session. See also TagLineFont. TIFF2FaxCmd1 The command to invoke to convert a TIFF submitted for transmission to TIFF/F, suitable for transmission; see tiff2fax(8). TimeOfDay1 The default time-of-day restrictions to apply to outbound jobs. Outbound jobs will be processed only during the specified time. Any jobs submitted outside this time period will be held until the start of this time. The syntax for time-of-day restrictions is designed to be compatible with the syntax used by the UUCP software. The following BNF describes the syntax: Syntax = tod ["," tod] tod = <days><timerange> days = "Any" | "Wk" | <dayname>+ | nothing dayname = "Sun" | "Mon" | "Tue" | "Wed" | "Thu" | "Fri" | "Sat" timerange = <start> "-" <end> | nothing start = <24hrtime> end = <24hrtime> 24hrtime = {0-9}{0-9}{0-9}{0-9} nothing = where start and end are 24-hour times, day names can be either 2- or 3-characters, and a null day or time specification means any time or day. White space and other syntactic sugar may be freely inserted between tokens but may not be inserted between 24-hour times in the time range. This value may be overridden by rules in the JobControl mechanism. Use2D1 Control the use of 2D-encoded data for transmitted facsimile. UseJobTagLine Allow the use of the job-specified tagline instead of the configured TaglineFormat UUCPLockMode2 The file protection mode that should be used when creating UUCP lockfiles. Note that this value is given in octal. UUCPLockDir2 The pathname of the directory in which UUCP lockfiles are to be created. UUCPLockTimeout2 The time in seconds to wait before removing a stale UUCP lockfile (i.e. a lockfile whose owner does not appear to exist). If this value is set to 0, then the fax server will never remove a stale lockfile. UUCPLockType2 A string that specifies the type of UUCP lockfile to create. The string may be one of ''ascii'' or ''binary'' depending on whether the process-ID of the lock owner is written to the file as an ascii string or as a binary value, respectively. In addition, two prefixes may be used to control the format of the lock filename. If the type string is prefixed with a ''+'', then SVR4-style filenames are generated using the major device number of the tty device and the major and minor device numbers for the filesystem on which the tty device resides. If the type string is prefixed with a ''-'', then any upper case letters in the device part of the lockfile name are converted to lower case letters; for example, ''LCK..ttyA01'' is converted to ''LCK..ttya01''. This upper-to-lower case conversion is useful for systems such as SCO where the convention is to name devices with upper-case letters, but create lockfiles with lower-case letters. VGettyArgs A string that indicates whether or not the server should invoke a voice getty program in response to an incoming voice call. If the string value is not null, then it is interpreted as a set of arguments to pass to the vgetty program. Before supplying the arguments, the string is first scanned for ''%''-escape sequences: any appearance of ''%l'' is replaced with the tty name and any appearance of ''%s'' is replaced with the serial port speed (in decimal). Any appearance of escaped numbers 1 through 9 (''%1'' through ''%9'') are replaced by the match to the corresponding CallIDPattern, if present. The ''%'' character can be specified with ''%%''. If the VGettyArgs parameter is not specified in the configuration file or if the string value is null, then voice connections will be rejected. Note that in addition to the specified command line arguments, the vgetty program is invoked with its standard input, output, and error descriptors directed to the controlling tty device. WedgedCmd1 The command to invoke when a modem is deemed ''wedged''; see wedged(8).

MODEM-ORIENTED CONFIGURATION PARAMETERS

This section lists configuration parameters that are specific to the setup and operation of the modem. All commands must be specified exactly as they are to be transmitted to the modem (note that this is a departure from previous versions of this software that automatically prepended ''AT'' to each line of commands sent to the modem). When multi-line commands are required, enclose the commands in quote marks (''"'') and insert a newline character ''\n'' where lines should be broken. An example of a multi-line command string is ''AT+FCQ=1\nAT+FBADMUL=20\nAT+FBADLIN=10''. Command strings sent to the modem may include command escapes that force the host to alter the DTE-DCE communication rate, the flow control scheme used between the host and modem, delay for a period of time, flush input data, and wait for a specific response from the modem. The following escape codes are interpreted: Escape Effect <none> enable no flow control between DTE and DCE <xon> enable software flow control between DTE and DCE <rts> enable hardware flow control between DTE and DCE <2400> set the DCE-DTE baud rate to 2400 bps <4800> set the DCE-DTE baud rate to 4800 bps <9600> set the DCE-DTE baud rate to 9600 bps <19200> set the DCE-DTE baud rate to 19200 bps <38400> set the DCE-DTE baud rate to 38400 bps <57600> set the DCE-DTE baud rate to 57600 bps <76800> set the DCE-DTE baud rate to 76800 bps <115200> set the DCE-DTE baud rate to 115200 bps <delay:N> delay N x 10 ms on the host (0 <= N <= 255) <flush> flush any pending input data from the modem <waitfor:R> wait for the response R from the modem (see below) <play:filename> play the specified audio file (see below) Note that commands to the left of an escape code are sent to the modem before the associated actions are carried out on the host. This may be important when changing baud rates, as the result code from a command may be returned at the new baud rate. Also, beware that not all baud rates are supported by all systems and modems; the set of baud rates supported by a host is usually listed in stty(1). The ''<waitfor:..>'' escape can be used to override the default behaviour which is to wait for an ''OK'' response to a command sent to the modem. The possible response codes are: NOTHING a null response OK the default response CONNECT ''CONNECT...'' NOANSWER ''NO ANSWER...'' NOCARRIER ''NO CARRIER...'' NODIALTONE ''NO DIALTONE...'' BUSY ''BUSY'' OFFHOOK ''PHONE OFF-HOOK'' RING ''RING...'' ERROR error status from modem VCON voice connection indicator OTHER any unrecognized modem response For example ''ATO\r<waitfor:CONNECT>'' would send ''ATO\r'' to the modem and then wait for a response with a leading ''CONNECT'' in it; and ''ATS99=2\r<delay:2><flush><waitfor:NOTHING>'' would send ''ATS99=2\r'' to the modem, delay 20 ms, flush any input from the modem, and then continue (not wait for any response). The ''<play:filename>'' escape can be used to play a raw audio file with a voice modem. This feature can be used, for example, to play a brief audio message after picking up the line but before answering. A configuration example may be: ModemRingResponse: "AT+FCLASS=8;H1\nAT+VSM=131\nAT+VLS=1\nAT+VTX\n<waitfor:CONNECT><play:/sounds/enter-extension.raw><waitfor:OK>AT+VTS=[933,,150]" ModemAnswerCmd: "<delay:100>AT+FCLASS=1;A" CallIDPattern: SHIELDED_DTMF CallIDAnswerLength: 4 In this example using an IS-101 voice-compliant modem, a RING indication from the modem will cause the modem to be placed in voice mode, set ulaw audio compression, and via the connected phone line play back the etc/play1.raw audio file, which may say, "After the tone enter a four-digit extension, then start the fax." Following the message a tone is played. ModemAnswerCmd The command to answer the phone. If possible, this command should generate a result string that identifies whether the incoming call is from a facsimile, voice, or data modem. Typically this auto-detection is configured ahead of time; e.g. for Class 2 modems with the ''AT+FAA=1'' command. The following table describes how the result codes are interpreted by the facsimile server. Result String Default Class 1 Class 2 Class2.0 CONNECT FAX Fax - - -- CONNECT Data Unknown - - NO ANSWER No Answer - - - NO CARRIER No Carrier - - - NO DIALTONE No Dialtone - - - ERROR Error - - - FAX Fax - - - DATA Data - - - +FCON - - Fax Fax +FCO - - Fax Fax +FDM - - Data Data +FHNG: - - Error Error VCON - - Voice Voice The ''Default'' column indicates the interpretation made for the result string in either class 1 or 2 unless explicitly overridden. The ''Class 1'' column indicates result strings handled specially for modems operating in class 1, the ''Class 2'' column indicates special handling for modems operating in class 2, and the ''Class 2.0'' column indicates special handling for modems operating in class 2.0. Unknown entries imply that interpretation is based on the way in which the call was answered; if answering is done for an explicit call type, that type is assumed, otherwise a Fax call is presumed. ModemAnswerDataBeginCmd The command to send to the modem once a data connection has been established. ModemAnswerDataCmd The command to explicitly answer the phone for a data connection. This command must generate a result string that identifies the incoming call is from a data modem. If this parameter is not specified or is null, then the value of ModemAnswerCmd is used instead. See also AdaptiveAnswer and AnswerRotary. ModemAnswerDialCmd The command to explicitly answer the phone for a dialed connection. This command must generate a result string that identifies the incoming call is from a facsimile modem. If this parameter is not specified or is null, then the value of ModemAnswerCmd is used instead. ModemAnswerFaxBeginCmd The command to send to the modem once a facsimile connection has been established. ModemAnswerFaxCmd The command to explicitly answer the phone for a facsimile connection. This command must generate a result string that identifies the incoming call is from a facsimile modem. If this parameter is not specified or is null, then the value of ModemAnswerCmd is used instead. See also AdaptiveAnswer and AnswerRotary. ModemAnswerVoiceBeginCmd The command to send to the modem once a voice connection has been established. ModemAnswerVoiceCmd The command to explicitly answer the phone for a voice connection. This command must generate a result string that identifies the incoming call is for voice. If this parameter is not specified or is null, then the value of ModemAnswerCmd is used instead. See also AdaptiveAnswer and AnswerRotary. ModemAnswerResponseTimeout The maximum time, in milliseconds, to wait for a response from the modem after sending ModemAnswerCmd. Note that you may want to shorten this value when using the server-based adaptive answer strategy; see AdaptiveAnswer. ModemATCmdDelay A delay, in milliseconds, that should be performed before each ''AT'' command string is sent to the modem. ModemBaudRateDelay The amount of time, in milliseconds, to pause after setting the baud rate on the serial line. This is only needed for hosts and modems (such as USRs) where setting the serial line parameters does not take effect immediately. ModemCommaPauseTimeCmd The command to set the time, in seconds, that the modem should pause when encountering a '','' modifier in the dialing string. ModemDialCmd The command to place a phone call. The string is assumed to be suitable for use as a parameter to the sprintf(3S) function; so the ''%'' character should be escaped as ''%%''. The dial command must include a single ''%s'' where the number that is to be dialed is to be substituted. Facilities such as tone or pulse dialing, outgoing prefixes to route though a PBX, and so on should be included in the dialing command string. It is also important that, if possible, a trailing ''@'' symbol should be included so that the modem returns result codes that distinguish between no answer and no carrier. Use of the ''@'' permits the server to reduce the probability that a wrong number is continually redialed. If the modem does not support this facility, then it may be necessary to raise the number of retries done when a ''NO CARRIER'' result is returned. ModemDialResponseTimeout The maximum time to wait, in milliseconds, for a response from the modem after sending This value should be longer than the timeout programmed into the modem through the ModemWaitTimeCmd parameter. This additional server-based timeout is provided to guard against modems that can ''lock up'' when dialing the telephone. ModemDoPhaseCDebug Whether or not to query the modem for responses during image data transmission. Normally the modem should not produce any responses during Phase C data transmission. However, in some debugging scenarios (i.e. some Class 2.1 modems may show debugging information) it may be appropriate to query the modem for responses during the data transmission. ModemDTRDropDelay The time, in milliseconds, to pause between placing DTR OFF and DTR ON while resetting a modem. This value should be at least equal to the time-value of the analogous S-register, usually S25. ModemEchoOffCmd The command to disable echoing of commands sent to the modem. ModemFlowControl The type of flow control to use between DTE and DCE; one of ''NONE'', ''XONXOFF'' and ''RTSCTS''. This value is used to select the string sent to the modem to initially establish DTE- DCE flow control; one of ModemNoFlowCmd, ModemSoftFlowCmd, and ModemHardFlowCmd. The current flow control setting is also used to select the appropriate flow control command to send to the modem when the software switches to Class 1, 2, or 2.0; see Class1HFLOCmd, Class1NFLOCmd, Class1SFLOCmd, Class2HFLOCmd, Class2NFLOCmd, and Class2SFLOCmd. The server supports both software and hardware flow control for Class 1, Class 2, and Class 2.0 modems. Whether to use hardware or software flow control depends on the capabilities of the modem and the host hardware and operating system. Communication rates above 9600 baud often require that hardware flow control be used for reliable DTE-DCE communication. However, beware that many modems only support software flow control when sending or receiving facsimile. Note that modems usually support software flow control even if they have no explicit AT-command to activate it; in this case it is switched on when the modem enters fax mode, having AT+FCLASS=... from DTE. ModemFrameFillOrder The bit order to expect for received HDLC frames and to use when formulating HDLC frames to send. This value may be either LSB2MSB when bits are ordered from least-significant-bit to most-significant-bit (as in the CCITT specification) or MSB2LSB when bits are ordered in the reverse direction. ModemHardFlowCmd The command to setup hardware (RTS/CTS) flow control between DTE and DCE. ModemMinSpeed The minimum acceptable signalling rate for transmitting facsimile page data. Possible values are: 2400, 4800, 7200, 9600, 12200, and 14400. ModemMfrQueryCmd The command to send to the modem to get the manufacturer identification string. If this parameter is not set, then it is initialized to ''AT+FMFR?'' for Class 2 modems, or to ''AT+FMI?'' for Class 2.0 modems, or to ''ATI3'' for Class 1 modems. If the parameter begins with a ''!'', then the remainder of the string is taken to be the identification string and no command is issued to the modem. ModemModelQueryCmd The command to send to the modem to get the model identification string. If this parameter is not set, then it is initialized to to ''AT+FMDL?'' for Class 2 modems, or to ''AT+FMM?'' for Class 2.0 modems, or to ''ATI0'' for Class 1 modems. If the parameter begins with a ''!'', then the remainder of the string is taken to be the identification string and no command is issued to the modem. ModemNoAutoAnswerCmd The command to stop the modem from automatically answering when the phone rings. ModemNoAutoAnswerCmdDelay The time, in milliseconds, to pause after receiving the OK following ModemNoAutoAnswerCmd before any further commands are sent to the modem. All input from the modem is flushed after pausing. ModemNoFlowCmd The command to disable flow control between DTE and DCE. ModemOnHookCmd The command to place the phone ''on hook'' (i.e. hangup). ModemPageDoneTimeout The maximum time to wait, in milliseconds, for a response from the modem after sending a page of facsimile data (e.g. the time to wait for a response to a Class 2/2.0 AT+FET command). ModemPageStartTimeout The maximum time to wait, in milliseconds, for an initial response from the modem when sending a page of facsimile data (e.g. the time to wait for a response to a Class 2/2.0 AT+FDR command). ModemRaiseATCommands Indicates whether or not all configuration AT commands for the modem should be raised to upper-case automatically. The standard is for all upper-case to be used in AT commands, and indeed, some rare modems have been known to malfunction with lower-case commands. However, sometimes an administrator may want to use lower-case commands in a rare condition such as to work around modem blacklisting of dialed numbers. ModemRate The baud rate to use for DCE-DTE communication. This value may be one of: 115200, 76800, 57600, 38400, 19200, 9600, 4800, 2400, 1200. The default value is 19200 because many modems lock the rate at 19200 when sending or receiving facsimile. Note that not all values are supported by all operating systems and modems; consult stty(1) for the available rates on your system. ModemReadyCmds A string of commands to issue to the modem during reception initialization. This string is sent to the modem after the standard set of configuration commands required by the fax server. This is done, for example, to un-busy a DID line so that calls can come through. ModemRecvFillOrder The bit order to expect for received facsimile data. This value may be either LSB2MSB when bits are ordered from least- significant-bit to most-significant-bit (as in the CCITT specification) or MSB2LSB when bits are ordered in the reverse direction. According to the various specifications all modems should return data in LSB2MSB order. However most Class 2 modems (except maybe only Multitech) use MSB2LSB for compatibility with modems that were built with Rockwell hardware/firmware that included a bug that was too widespread to correct. If this parameter is not set, then it is autodetected and set to LSB2MSB for Class 1 and Class 2.0 modems and MSB2LSB for non- Multitech Class 2 modems. However this may be wrong for your modem, so you will have to specify this parameter explicitly. ModemRecvSuccessCmd A string of commands to issue to the modem after a successful receive session before the call is disconnected. ModemResetCmds A string of commands to issue to the modem during initialization. This string is sent to the modem before the standard set of configuration commands required by the fax server. Note that these commands should not include normal reset commands that are specified through other parameters. For example, commands to setup flow control, DCD handling, DTR handling, etc. should be specified through the appropriate configuration parameters and not through this parameter. In addition the soft reset command (usually ''ATZ'') should not be included in this string; the servers issue this command explicitly. ModemResetDelay The time, in milliseconds, to pause after setting DTR ON, while resetting a modem. DTR ON does not respond with ''OK'', so this parameter should be long enough to allow the modem time to be ready for ModemSoftResetCmd successively. ModemResultCodesCmd The command to enable result codes. ModemRevQueryCmd The command to send to the modem to get a firmware revision identification string. If this parameter is not set, then it is initialized to ''AT+FREV?'' for Class 2 modems, or to ''AT+FMR?'' for Class 2.0 modems. If the parameter begins with a ''!'', then the remainder of the string is taken to be the identification string and no command is issued to the modem. ModemSendBeginCmd The command to send to the modem upon establishing carrier during a transmit operation. This parameter is useful for systems that are incapable of enabling hardware flow control without DCD asserted. ModemSendFillOrder The bit order the modem expects for transmitted facsimile data. This value may be either LSB2MSB or MSB2LSB (see also ModemRecvFillOrder above.) Virtually all modems expect transmitted facsimile data in LSB2MSB bit order. ModemSetVolumeCmd The commands to use to set the modem speaker volume levels. There should be five whitespace-separated commands, one each for setting the volume to ''Off'', ''Quiet'', ''Low'', ''Medium'', and ''High''; the default is ''"ATM0 ATL0M1 ATL1M1 ATL2M1 ATL3M1"''. See also SpeakerVolume. ModemSetupAACmd The command to setup adaptive answer support in the modem-if available. Adaptive answer is the term used for the ability to distinguish between calls from facsimile, voice, and data sources. Note that this string is the last command issued by the device drivers during setup, so the command string may, if necessary, switch to a different operating mode (e.g. on some Rockwell-based modems it is necessary to issue the ''AT+FAA=1'' command in Class 0). ModemSetupDCDCmd The command to setup DCD handling. On most systems the facsimile server will enable the CLOCAL flag on the tty device to which the modem is connected. This should insure that the system does not close an open file descriptor associated with the modem if carrier is dropped. Thus, for most systems and modems ModemSetupDCDCmd should setup DCD to reflect carrier. ModemSetupDTRCmd The command to setup DTR handling so that the modem is reset when the DTR signal is lowered by the host. The facsimile server uses this facility to insure that modems are not left in a ''locked up'' state. ModemSoftFlowCmd The command to setup software (XON/XOFF) flow control between DTE and DCE. ModemSoftResetCmd The command to force a soft reset of the modem. ModemSoftResetCmdDelay The time, in milliseconds, to pause after receiving the OK following ModemSoftResetCmd before any further commands are sent to the modem. ModemSoftRTFCC Whether or not to enable software-driven Real-Time Fax Compression Conversion. RTFCC allows HylaFAX to convert the image compression between MH MR and MMR formats regardless of how faxq formatted the image file. Note that when using RTFCC, the compression format of the file will be ignored, thus the ''-1'', ''-2'', and ''-3'' options for sendfax, ps2fax, and others will only influence how the document is prepared by faxq and will not influence the actual negotiated session parameters. Class2RTFCC takes precedence over ModemSoftRTFCC and if both are enabled, then software-driven RTFCC will not be performed in favor of the firmware-driven RTFCC. ModemType This parameter must be set to one of: ''Class2'', ''Class2.0'', or ''Class1''; to indicate that the modem is a Class 2-, Class 2.0-, or Class 1-style modem, respectively. If this parameter is not set, then it is autodetected and the highest supported fax class is used. ModemVerboseResultsCmd The command to enable verbose, as opposed to numeric, result codes. ModemWaitForConnect If enabled, the facsimile server will not consider a connection established when answering an incoming call until a ''CONNECT'' status string is received. This is useful mainly for Rockwell RC32ACL-based modems that send ''FAX'' and ''DATA'' status messages before sending ''CONNECT''. ModemWaitTimeCmd The command to set the number of seconds to wait for a carrier signal when placing a call or answering the phone.

T.30 PROTOCOL CONFIGURATION PARAMETERS

The following parameters apply to the implementation of the CCITT T.30 facsimile protocol in the Class 1 device driver. They should not be changed without full understanding of the operation of the server. FaxT1Timer The value of the T1 timer in milliseconds. This timer is used to time out the initial session contact; i.e. receipt of DIS/DCS. FaxT2Timer The value of the T2 timer in milliseconds. This timer is used to time out receiving responses and commands. FaxT4Timer The value of the T4 timer in milliseconds. This timer is used to time out the reception of HDLC frames and, usually, trigger frame retransmissions.
CLASS 1 MODEM CONFIGURATION PARAMETERS
The following parameters are specific to the configuration of Class 1-style modems; they should not be changed lightly: Class1Cmd The command to set the modem into Class 1 operation. Class1AdaptRecvCmd The command used to enable adaptive reception support (usually ''AT+FAR=1''). This feature is new in T.31, and many modems will not support it. This feature may reduce the number of reception failures due to errors cascading from +FCERROR messages. Class1ColorJPEGSupport Whether or not to enable support for T.30-E full-color facsimile with JPEG compression. Enabling this automatically enables Class1GreyJPEGSupport. Class1EnableV34Cmd The command to enable V.34-fax support with at least the desired maximum primary channel rate. Class1ECMSupport Whether or not to support T.30-A error correction protocol. Use of ECM will require 64 kilobytes of free memory per modem in active use. Class1PersistentECM Whether or not to continue to retransmit and allow to continue to receive image data in ECM protocol which is not accepted as valid after four successive attempts. Class1ECMFrameSize The size in bytes of image frames to transmit during ECM protocol. This setting will also indicate a preference in receive sessions. The only acceptable values are 64 and 256. A setting of 64 may be useful on high-load systems and possibly environments with extremely poor line quality. Class1ExtendedRes Whether or not to support resolutions other than normal and fine. This option has been deprecated by Class1Resolutions. Class1FrameOverhead The number of extraneous bytes in HDLC frames sent to the host in response to an ''AT+FRH'' command. For modems that properly implement the Class 1 interface, this number should be 4 (the default). Class1GreyJPEGSupport Whether or not to enable support for T.30-E greyscale facsimile with JPEG compression. This is always enabled if Class1ColorJPEGSupport is enabled. Class1HookSensitivity The number of times to ignore on-hook detections and merely treat them as command or modem errors. Class1JBIGSupport Whether or not to enable support for T.85 monochrome facsimile with JBIG compression. Options are ''true'' for support in both sending and receiving, ''false'' for no support, ''send'' for support only in sending, and ''receive'' for support only in receiving. If, during the build process a compatible JBIG library was found then send support is enabled by default. If, during the build process the TIFF tools are found to support JBIG then receive support is enabled by default. Class1HasRHConnectBug A Class 1 modem should only report CONNECT after AT+FRH=3 when V.21 HDLC data is detected. However, some modems will incorrectly report CONNECT after AT+FRH=3 whenever any carrier is present. In such cases Class1HasRHConnectBug should be set to ''true''. Class1HFLOCmd The command to setup hardware (RTS/CTS) flow control between DTE and DCE when operating in Class 1. This command is issued immediately after sending the Class1Cmd to switch the modem to Class 1 operation. Class1MRSupport Whether or not to enable support for two-dimensional Modified Read (MR) image data format compression. Class1MMRSupport Whether or not to enable support for two-dimensional Modified Modified Read (MMR) image data format compression. Note that MMR support requires also ECM support to be enabled. Class1NFLOCmd The command to setup no flow control between DTE and DCE when operating in Class 1. This command is issued immediately after sending the Class1Cmd to switch the modem to Class 1 operation. Class1PageLengthSupport The coded value for page lengths supported by the modem. The only correct values and meanings are these: ''1'', A4 page length; ''3'', both A4 and B4 page length; ''7'', unlimited page length. Class1PageWidthSupport The coded value for page widths supported by the modem. The only correct values and meanings are these: ''1'', A4 page width; ''3'', both A4 and B4 page width; ''7'', all of A4, B4, and A3 page widths. Class1PPMWaitCmd The command used to stop and wait before sending the post page message, except before sending EOP, when Class1EOPWaitCmd is used instead. We must ensure that the high-speed carrier has stopped completely. According to T.30, Chapter 5, Note 4, this delay should be 75 +/- 20 ms. Class1ResponseWaitCmd The command used to stop and wait after sending TCF, before attempting to receive a training response from the remote. Set this to ''AT+FRS=1'' if you experience ''DIS/DTC received 3 times'' errors. Class1Resolutions A bitmapped (bit-or'd) value indicating the resolutions to be supported during facsimile operation. Individual resolutions follow Table 21/T.32 and are defined as follows: Bit Description 0 (0x00) R8 x 3.85 l/mm, Normal 1 (0x01) R8 x 7.7 l/mm, Fine 2 (0x02) R8 x 15.4 l/mm, Superfine 4 (0x04) R16 x 15.4 l/mm, Hyperfine 8 (0x08) 200 dpi x 100 l/inch 16 (0x10) 200 dpi x 200 l/inch 32 (0x20) 200 dpi x 400 l/inch 64 (0x40) 300 dpi x 300 l/inch Thus, a value of 3 would indicate support for normal, fine, and superfine resolutions. Class1RMQueryCmd The command to send to the modem to get the list of supported reception bit-rates. If the parameter begins with a ''!'', then the remainder of the string is taken to be the modem response and no command is issued to the modem. Class1TCFWaitCmd The command used to stop and wait before sending TCF, similar to Class1PPMWaitCmd. According to T.30, Chapter 5, Note 3, this delay should be 75 +/- 20 ms. Class1TMQueryCmd The command to send to the modem to get the list of supported transmission bit-rates. If the parameter begins with a ''!'', then the remainder of the string is taken to be the modem response and no command is issued to the modem. Class1EOPWaitCmd The command used to stop and wait before sending the post page message similar to Class1PPMWaitCmd. We allow a different setting in the case of EOP, however, because empirically some machines may need more time. Class1ModemHasDLEBug Used to indicate that the modem does not correctly duplicate DLE characters in the V.21 communication to the DTE. Class1MsgRecvHackCmd If receive failures occur due to +FCERROR just prior to image data reception, setting Class1MsgRecvHackCmd to AT+FRS=1 may help. Class1RecvAbortOK The time, in milliseconds, to wait for an ''OK'' result code from the modem after aborting an HDLC frame receive (''AT+FRH=3''). If this number is zero, then the modem is assumed to not correctly implement aborting and instead the driver will wait 200ms, flush any input, and then send ''AT\n'' and wait 100ms for an ''OK'' result. Class1RecvIdentTimer The time, in milliseconds, to wait for an initial DCS when receiving a facsimile. CCITT recommendation T.30 specifies this as the value of the T1 timer. However, adaptive answering schemes such as that described above under the AdaptiveAnswer parameter may require that this timer be shortened. Class1RMPersistence The number of times that an attempt to receive the high-speed data carrier should be made, resulting in +FCERROR, before the low-speed message carrier reception is attempted. Some modems are quick to (perhaps incorrectly) return +FCERROR, and for those modems a value of 2 or 3 should be used. For modems that are not quick to return +FCERROR, a value of 1 should be used. Proper tuning of this can provide a type of "adaptive reception control" for modems that accurately return +FCERROR without supporting Class1AdaptRecvCmd. For those modems that support Class1AdaptRecvCmd, Class1RMPersistence should probably not be set at 1, although +FCERROR should almost never occur with such modems. If the modem does not support the reporting of +FCERROR or adaptive reception control, then Class1RMPersistence should probably be set at 0, which causes the timeout looking for the high-speed data carrier to be shortened, thus increasing the likelihood of recovery from any dissynchronization. When Class1RMPersistence is other than 0 it is assumed that the +FCERROR reporting or Class1AdaptRecvCmd is functional and therefore the timeout looking for the high-speed data carrier is lengthened. Class1SwitchingCmd The command used to ensure that the sending facsimile device has turned off its modulator (i.e. loss-of-carrier) as recommended by T.31: Appendix II.1. Class1SFLOCmd The command to setup software (XON/XOFF) flow control between DTE and DCE when operating in Class 1. This command is issued immediately after sending the Class1Cmd to switch the modem to Class 1 operation. Class1TCFMaxNonZero The maximum percentage of non-zero data bytes permitted in an acceptable received TCF. Note that this number does not include any leading non-zero data in the received data. See also Class1TCFMinRun. Class1TCFMinRun The duration, in milliseconds, of the minimum run of zero data in an acceptable received TCF. This value should be specified according to a 1.5 second transmission of zero data (i.e. it should be between 0 and 1500). See also Class1TCFMaxNonZero and Class1TCFMinRunECMMod. Class1TCFMinRunECMMod The factor by which Class1TCFMinRun should be modified in the case of an ECM session. As ECM protocol allows retransmissions it is commonly faster to accept a lesser-quality data stream and the subsequent retransmisisons than it is to allow the communication speed to slow down (where the demodulation may still not produce an ideal data stream, anyway). Class1TCFRecvHackCmd If receive failures occur due to +FCERROR just prior to TCF data reception, setting Class1TCFRecvHackCmd to AT+FRS=1 may help. Class1TCFRecvTimeout The maximum time to wait, in milliseconds, for the first byte and again for the entirety of the Training Check (TCF) message data that is received during the training phase of the facsimile reception protocol. Class1TMConnectDelay The time, in milliseconds, to delay after receiving CONNECT following +FTM before sending image data. T.31 8.3.3 requires the modem to respond with CONNECT before the modulation training pattern. If transmission begins before the remote has successfully completed its own modulation training pattern then data, especially during TCF, could be lost. Many modems do not follow T.31 in this regard, and thus the default is zero; however its use with such modems would likely have a negligible effect. Class1ValidateV21Frames Whether or not to use the FCS bits of received V.21 HDLC frames to check the validity of the frame itself. Most Class 1 modems perform this check independently (per T.31 7.4) and do not require this feature to be enabled.
CLASS 2 AND 2.0 MODEM CONFIGURATION PARAMETERS
The following parameters are specific to the configuration of Class 2- and Class 2.0-style modems: Class2Cmd The command to set the modem into Class 2/2.0 operation. Class2AbortCmd The command to use to abort an established session. After using this command to abort a session, the fax software will send ModemOnHookCmd and then reset the modem by dropping DTR . Class2APCmd A largely unused option for modems supporting ITU-T.32, Class 2.1, standards. This command would be used to enable sending and receiving SUB, SEP, and PWD frames. Class2APQueryCmd A largely unused option for modems supporting ITU-T.32, Class 2.1, standards. This command would be used to query the capabilities of sending and receiving SUB, SEP, and PWD frames. The value ''none'' may be used if the modem does not support any Class2APQueryCmd. Class2BORCmd The command to setup the bit order of sent and received facsimile data. Usually the command ''AT+FBOR=0'' is used so that data is sent and received in direct bit order (LSB2MSB). Some modems, such as the Everex 24/96D, must use reversed bit order for Phase B and D data exchanges to avoid a bug that results in garbage data being placed in the padding of EOL codes. The bit order specified by this command must correspond to the settings of the ModemSendFillOrder and ModemRecvFillOrder parameters. Class2BUGCmd The command to use to enable or disable the tracing of HDLC frames sent and received by the modem. This tracing information should be returned to the host in ''+FHR:'' and ''+FHT:'' status strings. Note that many Class 2 modems do not support this facility, which is largely used for diagnostic purposes. The value ''none'' may be used if the modem does not support any Class2BUGCmd. Class2CIGCmd The command used to set a polling identifier. This string is inserted into the format ''%s="<id>"''. Class2CQCmd The command to use to set up parameters for copy quality checking. For example, for an Everex 24/96D modem this parameter might be set to ''AT+FCQ=1\nAT+FBADMUL=20\nAT+FBADLIN=10''. Class2CQCmd should be configured to set-up all available copy quality services available per Class2CQQueryCmd. To disable features that are available, configure Class2CQQueryCmd with a ''!'', and then set Class2CQCmd accordingly. Class2CQQueryCmd The command to send to the modem to get the copy quality capabilities string. If the parameter begins with a ''!'', then the remainder of the string is taken to be the capabilities string and no command is issued to the modem; this can be used together with the Class2CQCmd to force copy quality checking to be done in the server instead of in the modem. See also PercentGoodLines and MaxConsecutiveBadLines for parameters used to do server copy quality checking. If copy quality checking is configured to be done by the modem then it is not done by the server. Class2CRCmd The command to use to enable the reception of facsimile. Class2DCCCmd The command used to set modem capabilities. This string is inserted into the format ''%s=vr,br,wd,ln,df,ec,bf,st''. Class2DCCQueryCmd The command to send to the modem to get the Class 2/2.0 capabilities. If the parameter begins with a ''!'', then the remainder of the string is taken to be the capabilities string and no command is issued to the modem. Class2DDISCmd The command to set session parameters before dialing. This string is inserted into the format ''%s=vr,br,wd,ln,df,ec,bf,st''. Setting this parameter enables support for Class 2 modems that do not properly implement the ''AT+FDIS'' command by setting up session parameters before dialing the telephone. Class2DISCmd The command used to set the current session parameters. This string is inserted into the format ''%s=vr,br,wd,ln,df,ec,bf,st''. Class2ECMType The interpretation of the EC parameter in the modem DCC response varies between the Class 2, ''2'', and Class 2.0, ''2.0'', specifications. This configuration parameter allows the administrator to specify which type to use. The corresponding specification type is used by default. Class2HexNSF Whether or not to parse the NSF strings reported by the modem using hexadecimal values. By default, they are parsed as hexadecimal values. Class2HFLOCmd The command to setup hardware (RTS/CTS) flow control between DTE and DCE when operating in Class 2/2.0. This command is issued immediately after sending the Class2Cmd to switch the modem to Class 2/2.0 operation. For Class 2.0 operation the default is ''AT+FLO=2''. Class2JPEGSupport Whether or not to enable and utilize the JPEG support found in the modem. Class2LIDCmd The command used to set the local identifier string. This string is inserted into the format ''%s="<id>"'' Class2MINSPCmd The command used to set the minimum acceptable speed to be negotiated for transmitting page data. This string is inserted into the format ''%s=<speed>'' Class2NFLOCmd The command to setup no flow control between DTE and DCE when operating in Class 2/2.0. This command is issued immediately after sending the Class2Cmd to switch the modem to Class 2 operation. For Class 2.0 operation the default is ''AT+FLO=0''. Class2NRCmd (Class 2.0 only) The command to setup negotiation message reporting. For the correct operation of the Class 2.0 driver this command must enable the reporting of: receiver parameters, transmitter parameters, and ID strings. It is not necessary to enable reporting of non-standard frames for correct operation of the Class 2.0 driver. Class2PACmd A largely unused option for modems supporting ITU-T.32, Class 2.1, standards. This command would be used to set up the polling address string enabled by the Class2APCmd. Class2PHCTOCmd The command to use to set the Phase C timeout parameter (in seconds). The value ''none'' may be used if the modem does not support any Class2PHCTOCmd. Class2PIECmd (Class 2.0 only) The command to use to control procedure interrupt handling. Procedure interrupts should be disabled because HylaFAX does not provide a mechanism for dispatching procedure interrupts to an administrator. Class2PTSCmd The command to use to set the received page status code. When copy quality checking is done in the host, this command may be used to control the post-page response delivered to the sender. Beware that some modems do not properly implement this command in which case the server should be configured to not do copy quality check: see the PercentGoodLines and MaxConsecutiveBadLines parameters to understand how to defeat copy quality checking. Class2PTSQueryCmd The command to use to query the received page status code. This command may be used to determine the post-page response returned from the receiver. Beware that some modems do not properly implement this command in which case this setting should be set to ''none''. Class2PWCmd A largely unused option for modems supporting ITU-T.32, Class 2.1, standards. This command would be used to set up the password string enabled by the Class2APCmd. Class2RecvDataTrigger The character to send to the modem to trigger the transmission of received data from the modem to the host. This character is specified to be DC1 (octal 21) in the draft specification 2388-A and DC2 (octal 22) in the 2388-B specification. Most Class 2 modems accept DC1 or both DC1 and DC2. Some modems however only accept DC2. Note that string parameters may use C-style escape sequences, so DC2, for example, would be specified as ''"\022"''. Class2RELCmd The command to use to enable the delivery of byte-aligned EOL codes in received facsimile. If this parameter is defined, then received facsimile data will be marked to indicate that EOL codes are byte-aligned; otherwise they will be marked as not (necessarily) having byte-aligned codes. Class2RTFCC Whether or not to enable MultiTech's Real-Time Fax Compression Conversion which is available in later firmware revisions for the MT5634ZBA-V92, MT5634ZPX-PCI-V92, and other models. RTFCC allows HylaFAX to convert the image compression between MH MR and MMR formats regardless of how faxq formatted the image file. If RTFCC is available with your firmware, then the response to ''AT+FFC=?'' is non-zero. Note that when using RTFCC, the compression format of the file will be ignored, thus the ''-1'', ''-2'', and ''-3'' options for sendfax, ps2fax, and others will not influence the actual negotiated session parameters. Class2SACmd A largely unused option for modems supporting ITU-T.32, Class 2.1, standards. This command would be used to set up the destination subaddress string enabled by the Class2APCmd. Class2SendRTC Whether or not to append an explicit ''Return To Control'' (RTC) signal to the page data when transmitting. The Class 2 and Class 2.0 specs (i.e. SP-2388-A and TIA/EIA-592) state that the modem will append RTC when it receives the post-page message command from the host; this parameter is provided in case the modem does not correctly implement this. Class2SFLOCmd The command to setup software (XON/XOFF) flow control between DTE and DCE when operating in Class 2/2.0. This command is issued immediately after sending the Class2Cmd to switch the modem to Class 2/2.0 operation. For Class 2.0 operation the default is ''AT+FLO=1''. Class2SPLCmd The command to use to enable a polling request. The value ''none'' may be used if the modem does not support any Class2SPLCmd. Class2TBCCmd The command to use to enable stream-mode communication between the host and modem. The value ''none'' may be used if the modem does not support any Class2TBCCmd. Class2UseLineCount Whether or not to use the line count reported to HylaFAX by the modem firmware decoder. Class2UseHex Whether or not to parse the capabilities strings reported by the modem using hexadecimal values. By default, they are parsed as decimal values. Class2XmitWaitForXON Whether or not to wait for an XON character from the modem before sending facsimile data to the modem for transmission. Note that this is only relevant for modems that conform to the Class 2 spec (i.e. SP-2388-A). The Class 2.0 specification states that the host may transmit data immediately upon receiving CONNECT and that no XON character will be sent to the host.

PAGER-RELATED CONFIGURATION PARAMETERS

The following parameters are specific to the configuration and operation of the IXO/TAP and UCP support for sending pager messages and GSM SM. Parameter not used for UCP are marked with ''(IXO/TAP only)''. PagerSetupCmds The commands to send to a modem to prepare the modem for a call to pager service provider. Typically these commands place direct the modem to communicate with the service provider at 300 bps using the V.21 protocol. Per-service provider command strings can be setup in the info database; see hylafax-info(5). PagerMaxMsgLength The maximum length for a pager text message. Messages longer than this number are truncated. Per-service provider message lengths can be setup in the info database; see hylafax-info(5). IXOService (IXO/TAP only) The service identification string transmitted as part of the IXO/TAP protocol. IXODeviceID (IXO/TAP only) The terminal device identification string transmitted as part of the IXO/TAP protocol. IXOMaxUnknown The maximum number of unrecognized messages that will be accepted at various stages of the IXO/TAP protocol before the sender will abort and hangup the phone. IXOIDProbe (IXO/TAP only) The time, in seconds, between sending a ''\r'' during the initial ID recognition sequence of the IXO/TAP protocol. IXOIDTimeout (IXO/TAP only) The maximum time, in seconds, to wait for the initial ID response from the service provider. IXOLoginRetries (IXO/TAP only) The maximum number of attempts to login to a service provider. IXOLoginTimeout (IXO/TAP only) The maximum time, in seconds, to wait to complete the login procedure. IXOGATimeout (IXO/TAP only) The maximum time, in seconds, to wait for a Go- Ahead message from the service provider. IXOXmitRetries The maximum number of times to try sending a text message block in a single call. IXOXmitTimeout The maximum time, in seconds, to try transmitting a text message block. IXOAckTimeout (IXO/TAP only) integer 30 IXO: max time to wait for msg block ack (secs) The maximum time, in seconds, to wait for an acknowledgement to a transmitted message.

PROTOTYPE CONFIGURATION FILES

Per-modem configuration files are typically derived from prototype files that have been created for known modems. These prototype files are kept in the config subdirectory and, by convention, have names that identify a brand or type of modem and the DTE-DCE flow control scheme the prototype files configures. The faxaddmodem(8) program that is used to configure a modem for use with HylaFAX selects a prototype configuration file using information retrieved from the modem and comments embedded in the prototype files. For Class 1 modems the product ID code returned by the command ''ATI0'' and the response from the command ''ATI3'' are used to select a prototype configuration file, while for Class 2 modems the manufacturer and model as returned by ''AT+FMFR?'' and ''AT+FMDL?'', respectively, are used (or ''AT+FMI?'' and ''AT+FMM?'' for Class 2.0 modems). A Class 1 prototype configuration file is identified for use by faxaddmodem by searching for a comment of the form: # CONFIG:CLASS1:144:.*:RTSCTS: Manufacturer='AT&T' Model=Dataport In this example ''144'' is the product ID code for an AT&T DataPort modem, ''.*'' is a regular expression matched against the result string returned by the ''ATI3'' command, and ''RTSCTS'' indicates the modem is configured to use hardware flow control during fax operation. The remainder of the line is evaluated by the sh(1) and used to specify the modem's manufacturer and model (since Class 1 modems do not have standard commands to query this information). Class 2 and 2.0 prototype configuration files match the string ''manufacturer-model-flowcontrol'' against a sh(1) glob pattern specified in the configuration file, where manufacturer and model are the strings returned by querying the modem and flowcontrol is either ''RTSCTS'' for hardware flow control or ''XONXOFF'' for software flow control. For example: # CONFIG: CLASS2: ZyXEL*-RTSCTS # CONFIG: CLASS2.0: USRobotics*-XONXOFF are configuration comments that appear in the prototype file for a ZyXEL 1496E with Class 2 support, and for a US Robotics Courier modem with Class 2.0 firmware. The faxaddmodem program merges server-specific configuration parameters into a prototype configuration according to comments placed in the prototype file. All lines between ''BEGIN-SERVER'' and ''END-SERVER'' comments are placed with the appropriate server configuration parameters. Note that this means modem-related configuration parameters must be placed outside this area of the file.

SEE ALSO

faxaddmodem(8), faxq(8), faxgetty(8), faxsend(8), hylafax-server(5) $Date$ CONFIG(5)
 
 
 

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