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Re: [hylafax-users] Receiving fax errors



Paul Yun wrote:

May 31 14:54:32.30: [ 5556]: <-- [9:AT+FTH=3\r]

May 31 14:54:33.36: [ 5556]: --> [7:CONNECT]

May 31 14:54:33.85: [ 5556]: --> [2:OK]

May 31 14:54:33.85: [ 5556]: RECV send RTN (retrain negative)

May 31 14:54:33.85: [ 5556]: <-- [9:AT+FRH=3\r]

May 31 14:54:34.05: [ 5556]: --> [7:CONNECT]

May 31 14:54:35.19: [ 5556]: --> [2:OK]

May 31 14:54:35.19: [ 5556]: RECV recv DCN

May 31 14:54:35.19: [ 5556]: RECV keeping unconfirmed page

May 31 14:54:35.19: [ 5556]: RECV FAX (000001981): from 301 881 4335, page 1 in 0:32, INF, 3.85 line/mm, 1-D MH, 9600 bit/s

May 31 14:54:35.19: [ 5556]: RECV FAX (000001981): recvq/fax000001837.tif from 301 881 4335, route to <unspecified>, 1 pages in 0:47

May 31 14:54:35.19: [ 5556]: RECV FAX: COMREC received DCN


The short explanation to what happened is that the image wasn't received with sufficient quality and so HylaFAX rejected it with the RTN signal; however, the sender doesn't recognize RTN as meaning "send it again" (at least in the same session). So the sender disconnected. Maybe it disconnected to call again and resend. Maybe it didn't...


But, if you're seeing a lot of these problems from various senders then chances are good that something is wrong with your fax line. 86% receive quality is rather poor.

I assume that you haven't disabled ECM? ECM would likely be able to compensate for a fair amount of line noise, but the sender has to choose to use it.

Lee.


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