Dear Andres,
Thank you for your suggestion. Someone else here in Melbourne has
suggested that I also check the RTP timing in the meetme.conf file which
has been commented out (just the default configuration). From there I
found that you are right in your suggestion of the 0.020 instead of the
0.030. The meetme.conf RTP buffer is in multiples of 20 milliseconds and
therefore I assume can't handle RTP sizes of 30 milliseconds.
Thank you so much for your help on this - it has made all my stress
disappear (until Monday when I will have more problems...) and initial
testing seems to prove that it works.
Kind Regards
Stuart Elvish
Andres wrote:
Stuart Elvish - Dallas Delta Corporation Pty Ltd wrote:
Just come across a problem - we have sent out heaps of PAP-2 ATA's
and just discovered that when joined in a conference they are choppy
on the up leg (so the other users in the conference will hear them
with a choppy sound) but the down leg is perfectly fine (so the end
user can hear the conference participants perfectly).
Is that into a meetme conference? If so I have noticed that you have
to change the default RTP Size (on the PAP2 or Sipura) to .20 instead
of .30. Don't know why that is but would be very interested in
knowing if it fixes your issue. I have tried also with .60 and it is
not only choppy, its totally unintelligible.
I have tested the same setup with different brands of ATA's and with
IP phones and there aren't any problems. I have also tested a couple
of different codecs (g729 and ulaw) and the problem seems to still
exist.
The problem happens when the ATA is both internal and external to
the VoIP server network.
Does anyone have any suggestions?
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title:Voice Networking Engineer
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