You should never change ports mid call. SipXbridge has no way of knowing
that the device changed its source ports. SipXrelay will stop relaying media
if that happens. If that is what is happening, that is the cause of your
problem right there and I don't think I need to look at your logs. Please
check to see if you have a setting that randomly changes source port in your
Adtran. I have encountered devices that do that as a "security measure". If
you have that situation, please turn that feature OFF.

Please look at your device settings before I investigate.

Thank you

On Wed, Oct 28, 2009 at 12:18 AM, Josh Patten <[email protected]> wrote:

> I was able to cause the one-way audio issue by changing the RTP port
> range on the Adtran mid-call. The Adtran has a limited RTP range and
> defaults to 10000-10244. I changed this to 21000-21244 but the audio
> went one-way at about 20 minutes.
>
> Does sipXbridge change RTP ports mid-call?
>
> Josh Patten wrote:
> > It's is the weirdest thing; Using sipXbridge between sipX and my
> > Adtran TA 908e, which is on the same subnet as my sipX installation,
> > randomly causes one-way audio. I am using sipXbridge patch17. The
> > original 4.0.2 sipXbridge would only occasionally have a one way audio
> > problem, but when I implemented patch14 I had a lot more issues with
> > one way audio and dropped calls, and patch17 made the one way audio
> > consistent for each call albeit at different times throughout the
> > call. Sometimes the call would go for 10 minutes before going one way
> > audio, sometime 3 minutes.
> >
> > Here is something I did that made the audio last for 40 minutes on one
> > call: under system>>servers>>"name.of.server">>Services>>Media Relay I
> > changed "Media Relay Temperament" from conservative to aggressive.
> >
> > Can someone give me a clue what I should do next?
>
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>



-- 
M. Ranganathan
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