Re: [hylafax-users] failure to receive silence

[Lukasz Szybalski <szybalski@xxxxxxxxx>]

This should help you out.
http://lucasmanual.com/mywiki/FaxServer#head-0e15692efcc21e2cfc48e8fe68b63878355488f6


 Failure to receive silence

     * Added to config.ttyS14; failure to receive silence
     *
       #http://www.hylafax.org/archive/2002-08/msg00260.php
     * Add this to your configuration: config.ttyS#

 Class1SwitchingCmd: "<delay:7>"



Ioannis Mavroidis wrote:
> Hello all,
>
> I am using hylafax-4.4.2 on fedora core 6, and my modem is a PCI softmodem
> with a motorola chipset and uses the slamr driver. I am getting "Failure to
> receive silence" when trying to send a fax. In general I am able to send &
> receive faxes, but sometimes some faxes do not go through. What could the
> problem be?
>
> Here are the last few lines of my modem config file:
>
> Class1Cmd:              AT+FCLASS=1     # command to enter class 1
> Class1PPMWaitCmd:       AT+FTS=7        # command to stop and wait before
> PPM
> Class1TCFWaitCmd:       AT+FTS=7        # command to stop and wait before
> TCF
> Class1EOPWaitCmd:       AT+FTS=9        # command to stop and wait before
> EOP
> Class1SwitchingCmd:     AT+FRS=7        # silence between HDLC recv and
> trans
> Class1RecvAbortOK:      200             # wait 200ms for abort response
> Class1FrameOverhead:    4               # 4 byte overhead in recvd HDLC
> frames
> Class1RecvIdentTimer:   40000           # 35+5secs waiting for ident frames
> Class1TCFMaxNonZero:    10              # max 10% of data may be non-zero
> Class1TCFMinRun:        1000            # min run is 2/3rds of TCF duration
>
> and here is an example failed job log:
>
> Jan 03 17:05:24.03: [ 5790]: SESSION BEGIN 000000208 XXXXX
> Jan 03 17:05:24.03: [ 5790]: HylaFAX (tm) Version 4.4.2
> Jan 03 17:05:24.03: [ 5790]: SEND FAX: JOB 20 DEST XXXXX COMMID 000000208
> DEVICE '/dev/ttySL0' FROM 'XXXXX' USER root
> Jan 03 17:05:24.03: [ 5790]: <-- [12:AT+FCLASS=1\r]
> Jan 03 17:05:24.03: [ 5790]: --> [2:OK]
> Jan 03 17:05:24.03: [ 5790]: DIAL XXXXX
> Jan 03 17:05:24.03: [ 5790]: <-- [15:ATDTXXXXX\r]
> Jan 03 17:06:10.26: [ 5790]: --> [7:CONNECT]
> Jan 03 17:06:11.62: [ 5790]: --> [2:OK]
> Jan 03 17:06:11.62: [ 5790]: REMOTE NSF "BC 53 01 60 12 03 00"
> Jan 03 17:06:11.62: [ 5790]: NSF remote fax equipment: Minolta
> Jan 03 17:06:11.62: [ 5790]: <-- [9:AT+FRH=3\r]
> Jan 03 17:06:11.64: [ 5790]: --> [7:CONNECT]
> Jan 03 17:06:12.32: [ 5790]: --> [2:OK]
> Jan 03 17:06:12.32: [ 5790]: REMOTE CSI ""
> Jan 03 17:06:12.32: [ 5790]: <-- [9:AT+FRH=3\r]
> Jan 03 17:06:12.34: [ 5790]: --> [7:CONNECT]
> Jan 03 17:06:42.78: [ 5790]: MODEM <Timeout>
> Jan 03 17:06:42.78: [ 5790]: <-- [9:AT+FRS=7\r]
> Jan 03 17:06:42.83: [ 5790]: --> [2:OK]
> Jan 03 17:06:42.84: [ 5790]: <-- [9:AT+FRH=3\r]
> Jan 03 17:06:44.13: [ 5790]: --> [7:CONNECT]
> Jan 03 17:07:15.48: [ 5790]: MODEM <Timeout>
> Jan 03 17:07:15.48: [ 5790]: No receiver protocol (T.30 T1 timeout)
> Jan 03 17:07:15.48: [ 5790]: SEND FAILED: JOB 20 DEST XXXXX ERR [126] No
> receiver protocol (T.30 T1 timeout)
> Jan 03 17:07:15.48: [ 5790]: <-- [9:AT+FRS=7\r]
> Jan 03 17:07:15.48: [ 5790]: --> [5:ERROR]
> Jan 03 17:07:15.48: [ 5790]: MODEM Command error
> Jan 03 17:07:15.48: [ 5790]: Failure to receive silence (synchronization
> failure).
> Jan 03 17:07:15.48: [ 5790]: <-- [9:AT+FTH=3\r]
> Jan 03 17:07:15.48: [ 5790]: --> [5:ERROR]
> Jan 03 17:07:16.48: [ 5790]: <-- [5:ATH0\r]
> Jan 03 17:07:16.58: [ 5790]: --> [2:OK]
> Jan 03 17:07:16.58: [ 5790]: SESSION END


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