Re: [hylafax-users] COMREC received DCN problem

[Lee Howard <faxguy@xxxxxxxxxxxxxxxx>]

Roberto Garuti wrote:

> Sep 27 10:16:50.20: [27227]: RECV training at v.17 14400 bit/s
> Sep 27 10:16:50.20: [27227]: <-- [11:AT+FRM=145\r]
> Sep 27 10:16:51.72: [27227]: --> [7:CONNECT]
> Sep 27 10:16:53.28: [27227]: RECV: TCF 2800 bytes, 0% non-zero, 2795 zero-run
> Sep 27 10:16:53.29: [27227]: --> [10:NO CARRIER]
> Sep 27 10:16:53.29: [27227]: DELAY 70 ms
> Sep 27 10:16:53.36: [27227]: TRAINING succeeded
> Sep 27 10:16:53.36: [27227]: <-- [9:AT+FTH=3\r]
> Sep 27 10:16:54.33: [27227]: --> [7:CONNECT]
> Sep 27 10:16:54.33: [27227]: <-- data [3]
> Sep 27 10:16:54.33: [27227]: <-- data [2]
> Sep 27 10:16:54.72: [27227]: --> [2:OK]
> Sep 27 10:16:54.72: [27227]: <-- [11:AT+FRM=146\r]
> Sep 27 10:16:58.67: [27227]: --> [8:+FCERROR]
> Sep 27 10:16:58.67: [27227]: <-- [11:AT+FRM=146\r]
> Sep 27 10:16:58.79: [27227]: --> [8:+FCERROR]
> Sep 27 10:16:58.79: [27227]: <-- [9:AT+FRH=3\r]
> Sep 27 10:16:58.89: [27227]: --> [7:CONNECT]
> Sep 27 10:17:00.35: [27227]: --> [2:OK]
> Sep 27 10:17:00.35: [27227]: RECV recv TSI (sender id)

Well, it may not solve the problem, but I would recommend upgrading to 
HylaFAX+ 5.1.8 and seeing if that gets you anywhere... specifically I'd 
be looking for a change from that "DELAY 70 ms" to an AT+FRS=7 command.  
Of course, if your modem doesn't support AT+FRS (i.e. USR) upgrading 
still won't get you there.

It appears to me that the sender cannot hear your CFR signal that is 
being sent there after the AT+FTH=3.  So something is going on that 
causes the sender to not hear you correctly.  Line noise, audio 
corruption, etc.

That said, COMREC received DCN means that the sender aborted the 
protocol.  To know for-sure that the problem wasn't the sender 
cancelling the fax (or something like that) you'd need to communicate 
verbally with the sender to know what happened.

Thanks,

Lee.


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