Re: [hylafax-users] Modem frustration

[Lee Howard <faxguy@xxxxxxxxxxxxxxxx>]

Dirk H Bartley wrote:

> Jul 11 08:51:08.78: [ 2970]: SEND send PPS (partial page signal) 
> Jul 11 08:51:08.78: [ 2970]: SEND send MPS (more pages, same document) 
> Jul 11 08:51:08.78: [ 2970]: <-- [9:AT+FRH=3\r] 
> Jul 11 08:51:11.88: [ 2970]: --> [0:] 
> Jul 11 08:51:11.88: [ 2970]: MODEM 
> Jul 11 08:51:11.88: [ 2970]: <-- data [1] 
> Jul 11 08:51:11.94: [ 2970]: --> [2:OK] 
> Jul 11 08:51:11.94: [ 2970]: No response to PPS repeated 3 times. 
>  

Well, I'm not sure why the timeout message just says "MODEM" instead of 
"MODEM timeout reading line from modem", but it does look like the modem 
is responding to the cancel the way that it should.

In any case, did this go through properly on the next attempt?  "No 
response to PPS/PPM" errors are rather difficult to troubleshoot, and it 
helps *a lot* if we know what happened on the receiver's end.  A million 
things could have gone wrong, and nearly half of those are beyond our 
control (receiver-side errors).

> Jul 11 09:49:26.17: [ 3678]: RECV send RTN (retrain negative) 
> Jul 11 09:49:26.17: [ 3678]: <-- [9:AT+FRH=3\r] 
> Jul 11 09:49:26.63: [ 3678]: --> [7:CONNECT] 
> Jul 11 09:49:27.28: [ 3678]: --> [2:OK] 
> Jul 11 09:49:27.28: [ 3678]: RECV recv DCN 
> Jul 11 09:49:27.28: [ 3678]: RECV keeping unconfirmed page 
>  

This isn't so much an error as it is a misunderstanding.  The sender in 
this case does not support retransmission of the page, so when HylaFAX 
rejected it, the sender just disconnected.  This kind of situation 
pretty much requires the sender to retransmit.  So, hopefully the 
sender's machine gave them some kind of error message and prompted the 
sender to retransmit.  If not, it may require the receiver to examine 
the corrupt fax and request a retransmission.

It's fairly strange, though, that the TCF signal here would come in 
perfectly fine but then the Phase C data would be flawed on every line.

Are either of these errors reproducible?

Lee.


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