Me smells a wiki update.
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----- Original Message -----
From: [email protected]
<[email protected]>
To: M. Ranganathan <[email protected]>; [email protected]
<[email protected]>
Sent: Wed Oct 28 20:08:55 2009
Subject: Re: [sipx-users] sipXbridge no nat, one way audio

OK, I set the following config options on my Adtran and I haven't had
any one-way audio today:

ip rtp firewall-traversal
ip rtp firewall-traversal reuse-nat-ports

I hope it continues to work :-)

M. Ranganathan wrote:
> 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]
> <mailto:[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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>     List Archive: http://list.sipfoundry.org/archive/sipx-users
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>     sipXecs IP PBX -- http://www.sipfoundry.org/
>
>
>
>
> --
> M. Ranganathan
>

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