Problems with sending Faxes

[Aidan Van Dyk <aidan@magma.ca>]

I am having problems sending faxes with my modems and HylaFax.

I am running Linux 20.0.* (update always), an Hylafax 4.
I am trying to use 3 different modems, and having not much success with any.

The main one I am using is a Practical Periphial (sp) 33.6 V/F/D modem, and
is seems to be successfull often, but not enough to make for a stable fax
server.

Here is a copy of a log session, which is typical for failed faxes.  If you
notice anything funny in the initializing strings used, please let me know.
--------------
May 17 15:41:04.40: [  797]: SESSION BEGIN 00000695 16137452204
May 17 15:41:04.40: [  797]: SEND FAX: JOB 327 DEST 745-2204 COMMID 00000695
May 17 15:41:04.40: [  797]: DELAY 2600 ms
May 17 15:41:07.01: [  797]: <-- [15:ATE0V1Q0S0=0H0\r]
May 17 15:41:07.02: [  797]: --> [2:OK]
May 17 15:41:07.02: [  797]: <-- [21:ATS8=2S7=60&K3&D3&C1\r]
May 17 15:41:07.04: [  797]: --> [2:OK]
May 17 15:41:07.04: [  797]: <-- [12:AT+FCLASS=2\r]
May 17 15:41:07.05: [  797]: --> [2:OK]
May 17 15:41:07.05: [  797]: <-- [10:AT+FTBC=0\r]
May 17 15:41:07.06: [  797]: --> [2:OK]
May 17 15:41:07.06: [  797]: <-- [10:AT+FBOR=0\r]
May 17 15:41:07.07: [  797]: --> [2:OK]
May 17 15:41:07.07: [  797]: <-- [13:AT+FPHCTO=60\r]
May 17 15:41:07.08: [  797]: --> [2:OK]
May 17 15:41:07.08: [  797]: <-- [24:AT+FDCC=1,5,2,2,1,0,0,0\r]
May 17 15:41:07.09: [  797]: --> [2:OK]
May 17 15:41:07.09: [  797]: <-- [5:ATM0\r]
May 17 15:41:07.10: [  797]: --> [2:OK]
May 17 15:41:07.10: [  797]: <-- [12:AT+FCLASS=2\r]
May 17 15:41:07.21: [  797]: --> [2:OK]
May 17 15:41:07.21: [  797]: <-- [10:AT+FTBC=0\r]
May 17 15:41:07.32: [  797]: --> [2:OK]
May 17 15:41:07.32: [  797]: <-- [10:AT+FBOR=0\r]
May 17 15:41:07.43: [  797]: --> [2:OK]
May 17 15:41:07.43: [  797]: <-- [13:AT+FPHCTO=60\r]
May 17 15:41:07.54: [  797]: --> [2:OK]
May 17 15:41:07.54: [  797]: <-- [24:AT+FDCC=1,5,2,2,1,0,0,0\r]
May 17 15:41:07.66: [  797]: --> [2:OK]
May 17 15:41:08.25: [  797]: <-- [31:AT+FLID="Magma Communications"\r]
May 17 15:41:08.37: [  797]: --> [2:OK]
May 17 15:41:08.64: [  797]: DIAL 97452204
May 17 15:41:08.64: [  797]: <-- [13:ATDT97452204\r]
May 17 15:41:27.92: [  797]: --> [5:+FCON]
May 17 15:41:30.00: [  797]: --> [29:+FCSI: "          6137452204"]
May 17 15:41:30.00: [  797]: REMOTE CSI "6137452204"
May 17 15:41:30.31: [  797]: --> [22:+FDIS: 1,3,0,2,0,0,0,4]
May 17 15:41:30.42: [  797]: --> [2:OK]
May 17 15:41:30.42: [  797]: REMOTE best rate 9600 bit/s
May 17 15:41:30.42: [  797]: REMOTE max page width 1728 pixels in 215 mm
May 17 15:41:30.42: [  797]: REMOTE max unlimited page length 
May 17 15:41:30.42: [  797]: REMOTE best vres 7.7 line/mm
May 17 15:41:30.42: [  797]: REMOTE best format 1-D MR
May 17 15:41:30.42: [  797]: REMOTE best 20 ms, 10 ms/scanline
May 17 15:41:30.42: [  797]: USE 9600 bit/s
May 17 15:41:30.42: [  797]: USE 20 ms, 10 ms/scanline
May 17 15:41:30.42: [  797]: SEND file "docq/doc327.cover;31"
May 17 15:41:30.76: [  797]: USE page width 1728 pixels in 215 mm
May 17 15:41:30.76: [  797]: USE unlimited page length 
May 17 15:41:30.76: [  797]: USE 7.7 line/mm
May 17 15:41:30.76: [  797]: USE 1-D MR
May 17 15:41:30.77: [  797]: <-- [24:AT+FDIS=1,3,0,2,0,0,0,4\r]
May 17 15:41:30.89: [  797]: --> [2:OK]
May 17 15:41:30.89: [  797]: <-- [7:AT+FDT\r]
May 17 15:41:43.54: [  797]: --> [22:+FDCS: 1,2,0,2,0,0,0,3]
May 17 15:41:43.54: [  797]: --> [7:CONNECT]
May 17 15:41:43.54: [  797]: SEND wait for XON
May 17 15:41:43.54: [  797]: --> [1:]
May 17 15:41:43.54: [  797]: SEND begin page
May 17 15:41:43.56: [  797]: <-- data [1028]
May 17 15:41:43.56: [  797]: <-- data [1024]
May 17 15:41:43.56: [  797]: <-- data [1026]

...  data snipped, no errors ...

May 17 15:42:21.02: [  797]: <-- data [1024]
May 17 15:42:22.20: [  797]: <-- data [195]
May 17 15:42:22.20: [  797]: SENT 32963 bytes of data
May 17 15:42:22.20: [  797]: <-- data [2]
May 17 15:42:22.20: [  797]: SEND end page
May 17 15:42:33.80: [  797]: --> [2:OK]
May 17 15:42:33.80: [  797]: SEND send MPS (more pages, same document)
May 17 15:42:33.80: [  797]: <-- [9:AT+FET=0\r]
May 17 15:42:47.49: [  797]: --> [9:+FHNG: 52]
May 17 15:42:47.49: [  797]: REMOTE HANGUP: No response to MPS repeated 3
times (code 52)
May 17 15:42:47.49: [  797]: <-- [5:ATH0\r]
May 17 15:42:48.17: [  797]: --> [2:OK]
May 17 15:42:48.17: [  797]: SESSION END
----------------

The weird thing is that, sometimes Things go through fine, and sometimes
the don't, even to the same machine.  I havn't been able to find
correlation between the receiver being a machine or a modem either.  It has
me puzzled.

Any suggestions would be appreciated.
Aidan.
Aidan Van Dyk        Magma Communications Ltd.   Unit 201, 52 Antares Drive
aidan@magma.ca       Phone: +1 613 228-3565      Nepean, ON
                     FAX:   +1 613 228-8313      Canada
                     http://www.magma.ca/        K2E 7Z1