[hylafax-users] Not recieving all incoming faxes?

["James Marcinek" <jmarc1@xxxxxxxxxxxxxx>]

Hello Everyone,

I have a situation where HylaFAX recieves some but not all of the faxes? This is
our first deployment of Hylafax. Originally, the system was running RedHat 9 but
was just upgraded to Fedora Core 3. This issue is a regular occurance. I am new
to configuring this but it appears to follow the documentation properly. We
first thought the modem (which was an old externel). However it appears not to
be the case (not quite as frequent though). The modem is the following:

2082 U.S. Robotics 56K FAX EXT

The info logs concern me and I would like to investigate and troubleshoot. Both
the successful ones and unsuccessful fax logs contain the following:

Feb 04 08:56:44.47: [ 4711]: SESSION BEGIN 000000118 17277979218
Feb 04 08:56:44.47: [ 4711]: HylaFAX (tm) Version 4.2.0
Feb 04 08:56:44.47: [ 4711]: <-- [4:ATA\r]
Feb 04 08:56:50.01: [ 4711]: --> [7:CONNECT]
Feb 04 08:56:50.01: [ 4711]: ANSWER: FAX CONNECTION  DEVICE '/dev/ttyS0'
Feb 04 08:56:50.01: [ 4711]: RECV FAX: begin
Feb 04 08:56:50.01: [ 4711]: <-- data [32]
Feb 04 08:56:50.01: [ 4711]: <-- data [2]
Feb 04 08:56:50.08: [ 4711]: --> [7:CONNECT]
Feb 04 08:56:50.08: [ 4711]: <-- data [23]
Feb 04 08:56:50.08: [ 4711]: <-- data [2]
Feb 04 08:56:50.80: [ 4711]: --> [7:CONNECT]
Feb 04 08:56:50.80: [ 4711]: <-- data [10]
Feb 04 08:56:50.80: [ 4711]: <-- data [2]
Feb 04 08:56:52.98: [ 4711]: --> [2:OK]
Feb 04 08:56:52.98: [ 4711]: <-- [9:AT+FRH=3\r]
Feb 04 08:56:53.52: [ 4711]: --> [7:CONNECT]
Feb 04 08:56:53.87: [ 4711]: --> [5:ERROR]
Feb 04 08:56:53.87: [ 4711]: MODEM Command error
Feb 04 08:56:53.87: [ 4711]: FCS error
Feb 04 08:56:53.87: [ 4711]: DELAY 1500 ms


This is a no recieption and the 'MODEM Command error' is what is the cause of
concern. Here's an excerpt of a good log:

Feb 03 20:06:18.20: [ 4711]: SESSION BEGIN 000000116 17277979218
Feb 03 20:06:18.20: [ 4711]: HylaFAX (tm) Version 4.2.0
Feb 03 20:06:18.20: [ 4711]: <-- [4:ATA\r]
Feb 03 20:06:23.73: [ 4711]: --> [7:CONNECT]
Feb 03 20:06:23.73: [ 4711]: ANSWER: FAX CONNECTION  DEVICE '/dev/ttyS0'
Feb 03 20:06:23.73: [ 4711]: RECV FAX: begin
Feb 03 20:06:23.73: [ 4711]: <-- data [32]
Feb 03 20:06:23.73: [ 4711]: <-- data [2]
Feb 03 20:06:23.80: [ 4711]: --> [7:CONNECT]
Feb 03 20:06:23.80: [ 4711]: <-- data [23]
Feb 03 20:06:23.80: [ 4711]: <-- data [2]
Feb 03 20:06:24.52: [ 4711]: --> [7:CONNECT]
Feb 03 20:06:24.52: [ 4711]: <-- data [10]
Feb 03 20:06:24.52: [ 4711]: <-- data [2]
Feb 03 20:06:26.70: [ 4711]: --> [2:OK]
Feb 03 20:06:26.70: [ 4711]: <-- [9:AT+FRH=3\r]
Feb 03 20:06:27.79: [ 4711]: --> [7:CONNECT]
Feb 03 20:06:27.90: [ 4711]: --> [5:ERROR]
Feb 03 20:06:27.90: [ 4711]: MODEM Command error
Feb 03 20:06:27.90: [ 4711]: FCS error
Feb 03 20:06:27.90: [ 4711]: DELAY 1500 ms

The difference I see further down shows the recieving of frames:

Feb 03 20:06:29.40: [ 4711]: <-- [9:AT+FTH=3\r]
Feb 03 20:06:29.59: [ 4711]: --> [7:CONNECT]
Feb 03 20:06:29.59: [ 4711]: <-- data [32]
Feb 03 20:06:29.59: [ 4711]: <-- data [2]
Feb 03 20:06:29.76: [ 4711]: --> [7:CONNECT]
Feb 03 20:06:29.76: [ 4711]: <-- data [23]
Feb 03 20:06:29.76: [ 4711]: <-- data [2]
Feb 03 20:06:30.48: [ 4711]: --> [7:CONNECT]
Feb 03 20:06:30.48: [ 4711]: <-- data [10]
Feb 03 20:06:30.48: [ 4711]: <-- data [2]
Feb 03 20:06:32.66: [ 4711]: --> [2:OK]
Feb 03 20:06:32.66: [ 4711]: <-- [9:AT+FRH=3\r]
Feb 03 20:06:33.75: [ 4711]: --> [7:CONNECT]
Feb 03 20:06:35.24: [ 4711]: --> [2:OK]
Feb 03 20:06:35.24: [ 4711]: REMOTE TSI "BChannel44"
Feb 03 20:06:35.24: [ 4711]: <-- [9:AT+FRH=3\r]
Feb 03 20:06:35.26: [ 4711]: --> [7:CONNECT]
Feb 03 20:06:35.62: [ 4711]: --> [2:OK]
Feb 03 20:06:35.62: [ 4711]: REMOTE wants 14400 bit/s
Feb 03 20:06:35.62: [ 4711]: REMOTE wants A4 page width (215 mm)
Feb 03 20:06:35.62: [ 4711]: REMOTE wants unlimited page length
Feb 03 20:06:35.62: [ 4711]: REMOTE wants 3.85 line/mm
Feb 03 20:06:35.62: [ 4711]: REMOTE wants 1-D MH
Feb 03 20:06:35.62: [ 4711]: REMOTE wants T.30 Annex A, 256-byte ECM
Feb 03 20:06:35.62: [ 4711]: RECV training at v.17 14400 bit/s
Feb 03 20:06:35.62: [ 4711]: <-- [11:AT+FRM=145\r]
Feb 03 20:06:37.36: [ 4711]: --> [7:CONNECT]
Feb 03 20:06:38.91: [ 4711]: RECV: TCF 2813 bytes, 2% non-zero, 2729 zero-run
Feb 03 20:06:38.92: [ 4711]: --> [10:NO CARRIER]
Feb 03 20:06:38.92: [ 4711]: DELAY 75 ms
Feb 03 20:06:38.99: [ 4711]: TRAINING succeeded
Feb 03 20:06:38.99: [ 4711]: <-- [9:AT+FTH=3\r]
Feb 03 20:06:39.19: [ 4711]: --> [7:CONNECT]
Feb 03 20:06:39.19: [ 4711]: <-- data [3]
Feb 03 20:06:39.19: [ 4711]: <-- data [2]
Feb 03 20:06:40.36: [ 4711]: --> [2:OK]
Feb 03 20:06:40.36: [ 4711]: <-- [11:AT+FRM=146\r]
Feb 03 20:06:41.65: [ 4711]: --> [7:CONNECT]
Feb 03 20:06:42.01: [ 4711]: RECV received frame number 0
Feb 03 20:06:42.15: [ 4711]: RECV received frame number 1
Feb 03 20:06:42.29: [ 4711]: RECV received frame number 2
Feb 03 20:06:42.44: [ 4711]: RECV received frame number 3

...

While searching the archives I didn't really find anything like this I did
notice that people who posted excerpts of logs didn't appear to have the 'MODEM
Command error'. I'd like to try and track this down but am not sure how to
proceed?

Thanks,

James


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