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Re: [hylafax-users] Faxes received with error
Vágó István wrote:
I having problem with faxes received from some fax peers. These faxes
received with the following error message. The error is only received after
the last page of these faxes. The received image otherwise looks fine. But
because the fax was not confirmed, these clients try to send them again and
again until it come over without the error (three or more times). Is there
any solution to overcome this error?
Dec 17 12:53:05.37: [ 4686]: --> [20:+FPS:2,2880,9240,2,0]
Dec 17 12:53:05.38: [ 4686]: --> [6:+FET:2]
Dec 17 12:53:05.38: [ 4686]: RECV recv EOP (no more pages or documents)
Dec 17 12:53:05.38: [ 4686]: --> [2:OK]
Dec 17 12:53:05.38: [ 4686]: RECV send RTN (retrain negative)
Dec 17 12:53:05.38: [ 4686]: <-- [7:AT+FDR\r]
Dec 17 12:53:08.03: [ 4686]: --> [5:ERROR]
It's a discrepancy between the sender and your HylaFAX configuration
with regards to what the RTN signal means and how to handle it.
Your modem, operating in Class 2.0, detected too many errors in the
image data sent by the sender. Therefore it is signaling RTN (reject
page quality, retrain before next page) to the sender.
There is no perfect consensus among fax machine manufacturers and fax
softwares and fax modems with respect to how such a case should be
handled. HylaFAX interprets this as meaning that the page should be
resent. Some senders treat RTN as a confirmation of sorts. Some
senders will hang up and others will not. Still others are not capable
of resending the page without first hanging up and requiring the user to
physically re-insert the page into the fax machine.
You can review the hylafax-config man page:
... for "BadPageHandlingMethod" and "RTNHandlingMethod" for some more
information about this issue. However, my advise to you is to switch to
Class 1 (and if your modem doesn't support it then to get a modem that
does) and you'll largely do away with this concern because of the
addition of ECM support you'll get from Class 1.
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