Hi Mike,

If the sending machine keeps trying it might be the call has been hung up by asterisk before its own acknowledgement message has finished being sent. There have been bugs like this in the past, and people can be pretty casual about making changes which hang up aggressively. A FAX system should really wait for the final DCN message before disconnecting, to ensure both sides have seen what they need. Spandsp does that, but I am not sure about FFA.

Regards,
Steve

On 03/11/2014 03:03 AM, Mike Diehl wrote:
Steve,

I BELIEVE the fax is complete because the fax image is a form that appears to only be a single page.

But, since FFA isn't providing acknowledgement, the sending fax machine is resending the document multiple times!

Mike.


On Mon, Mar 10, 2014 at 12:49 PM, Steve Underwood <[email protected] <mailto:[email protected]>> wrote:

    On 03/11/2014 12:36 AM, Mike Diehl wrote:

        Hi all,

        For the most part, we are finding that Fax for Asterisk works
        pretty
        well.  However, we have seen some wierdness that we'd like to
        try to
        fix.

        Once in a while, we will get a partial result report for a
        given fax
        but when we look at the actual .tiff image, it looks to be
        complete.
        This is causing our users to not get a positive
        acknowledgement when
        they send the fax.

        Is there anything we can do to mitigate this?

        Mike.

    How do you know the FAX is complete? If a page was received, the
    sending machine said more pages were to follow, and then it
    dropped the call, is that a complete FAX?

    Steve


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