"Not Acceptable Here" Message

[Max Clark]

Hello,

So I received this today:

I am having an issue when dialing out certain numbers. The phone is blank (no ringing) then after about 20 seconds a busy signal sounds and a message appears on the phone stating “Not Acceptable Here”.

 What would cause sipx to generate this error to a phone? Where should I start?

Thanks,

Max

[Michael Picher]

Sounds like some sort of signalling problem.  Quite possibly with an upstream route that a provider is using (total swag).

The only way to prove is to reproduce/capture it and see what's happening in the signaling.  You can also turn up logging on sipXproxy and sipxbridge and use sipxtrace to look at the signaling.

Mike

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[Max Clark]

What I'm reading points to a codec issue between the carrier and sipx. Is it possible to specify different codecs to be used to/from the sip trunk and internal users?

[Todd Hodgen]

Media is defined in phone and also separately in media.  You need a codec defined that both itsp and phone supports and has defined.

Max Clark <max....@gmail.com> wrote:

To view this discussion on the web visit https://groups.google.com/d/msgid/sipxcom-users/60e5b406-0725-4454-b6c9-a7dc933bb925%40googlegroups.com.

[Max Clark]

Under the sipxbridge advanced settings there is an option for codec. We are only allowing PCMU. I'm going to setup a packet capture for tomorrow, since that shouldn't be a problem.