[cisco-voip] Cisco RightFAX ECM fax fails

[Nick Matthews]

You could try turning on T.38 redundancy.  If you see problems with
ECM on with T.38 redundancy it's probably not a QoS problem.  I would
probably confirm the redundancy via packet captures as I haven't tried
T.38 redundancy over SIP providers before, not sure if they have any
restrictions.

-nick

On Thu, Jun 9, 2011 at 12:13 PM, Mike Lydick <mike.lydick at gmail.com> wrote:
> We can reproduce failures with an issue with ~20% of our outbound fax calls,
> if Right fax SR140 is set to use ECM. I believe this is an indication that
> the far end is lossy and we must be loosing some packets as well. Anyone
> have similar experience with Rightfax ECM over SIP trunks that was not
> related to QOS?
>
> Best Regards
>
> Mike Lydick
>
> o
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