Re: [hylafax-users] Failure to train modems

[Lee Howard <faxguy@xxxxxxxxxxxxxxxx>]

Todd Jetzer wrote:

> Sep 21 11:44:48.42: [ 3247]: RECV training at v.17 14400 bit/s
> Sep 21 11:44:48.42: [ 3247]: <-- [11:AT+FRM=145\r]
> Sep 21 11:44:52.92: [ 3247]: --> [0:]
> Sep 21 11:44:52.92: [ 3247]: MODEM <Empty line>
> Sep 21 11:44:52.92: [ 3247]: <-- data [1]
> Sep 21 11:44:52.93: [ 3247]: --> [2:]
> Sep 21 11:44:52.93: [ 3247]: --> [2:OK]
> Sep 21 11:44:52.93: [ 3247]: <-- [9:AT+FRS=7\r]
> Sep 21 11:45:15.57: [ 3247]: --> [2:OK]


Do you know what's going on at the sender-side?

Basically this log is telling us that the sender signals to train at 
V.17 14400, and the modem is instructed to listen for it, but the modem 
never hears that signalling.  So HylaFAX aborts the attempt and waits 
for silence before then trying to listen for the next attempt... but 23 
seconds elapse there... because apparenty there is some noise on the line.

Does this happen all of the time, or only with specific senders?

Lee.


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