[hylafax-users] No response to MPS repeated 3 times (code 52)

[Karl Scheel <scheel.karl@xxxxxxxxx>]

Hello Lee,

Occasionally my outgoing fax sessions terminate before all pages of a
4-page fax are sent. This problem seems to be consistent when sending to
known computer-based fax receivers; regular fax machines do not appear
to have this problem. Here is a snippet of the fax report that is common
among these failed sessions:

Apr 16 15:37:16.97: [ 5431]: SEND end page
Apr 16 15:37:19.70: [ 5431]: --> [2:OK]
Apr 16 15:37:19.70: [ 5431]: SEND send MPS (more pages, same document)
Apr 16 15:37:19.70: [ 5431]: <-- [9:AT+FET=0\r]
Apr 16 15:37:33.30: [ 5431]: --> [9:+FHNG: 52]
Apr 16 15:37:33.30: [ 5431]: REMOTE HANGUP: No response to MPS repeated
3 times (code 52)

However, the pages that do make it out okay appear fine when sent at 196
lines/in.

I am faxing using a dedicated VoIP fax line (I do not yet know whether
it is true FoIP using the T.38 protocol; probably not, because my faxes
are going out at 14400 bit/s 99 percent of the time. Even if it were the
case, I did not find in my modem's documentation any indication that it
supports this protocol. Does it need to for T.38 to work?). Could this
have anything to do with the above problem?

Thanks in advance! :)

Karl


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