[Asterisk-Users] OH323 incoming audio stutter

[Rafael J. Risco G.V.]

Hi Michael and Tony
I have the same problem here and I have been able to check that this
problem can be solved disabling VAD in h323 destination routers, I
think this is a common problem with h323 and oh323 modules users and
for me has become a nightmare because my service provider can no
longer disable VAD support independently for my connection... I will
appreciate if you can include it in some future releases.

regards
rafael risco
Millicom Peru



On 4/22/05, Michael Manousos <manousos at inaccessnetworks.com> wrote:
> 
> Hi Tony,
> 
> Can you get an ethereal trace of the RTP packets on both
> directions? A short analysis of those streams (from within the
> ethereal tools) would help us find the problem.
> 
> Michael.
> 
> Tony Mountifield wrote:
> > I'm using asterisk-oh323-0.6.5 with the Janus patch 4 versions of
> > pwlib (v1.6.6.3) and openh323 (v1.13.5.3), and using it to connect
> > to my provider's switch.
> >
> > The effect that I am seeing is that a call starts off fine, but suddenly
> > after a few minutes the audio coming into Asterisk via OH323 gets very
> > broken up to the point of being about 90% silence with occasional brief
> > snippets of audio getting through.
> >
> > When this happens, the audio going out from Asterisk to the other end
> > is still fine, with no disturbances.
> >
> > I have observed this both when using SIP for the local leg of the call
> > and when using IAX.
> >
> > I'm not really sure where to look to diagnose this, not whether it is
> > likely to be an Asterisk problem or something in the switch.
> >
> > Any advice would be appreciated!
> >
> > Cheers
> > Tony
> 
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rrgv