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

[Lee Howard <faxguy@xxxxxxxxxxxxxxxx>]

Karl Scheel wrote:
> 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.
>   

Does this modem not support Class 1?  Maybe ECM protocol in Class 1 
would help alleviate this kind of thing.

> 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?

Yes.  VoIP is quite likely one of your problems.

Thanks,

Lee.


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