Er, he's using sipxbridge but the provider sits in his network without nat I
think.
============================
Tony Graziano, Manager
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Fax: 434.984.8431

Email: [email protected]

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----- Original Message -----
From: [email protected]
<[email protected]>
To: [email protected] <[email protected]>
Sent: Thu Jan 27 13:27:48 2011
Subject: Re: [sipx-users] Polycom 3.2.4 transfer issue

>>> "Matthew Kitchin (public/usenet)" <[email protected]> 01/27/11
>>> 12:34 PM >>>
>>I think I see where the problem occurs in the sip trace, but I don't
>>have the sip knowledge to understand why.
>>
>>Any help would be greatly appreciated.


Ok, I've reviewed your traces and your wiresharks.  You've got some serious
issues here.

First, It doesn't seem to be the sip trunk provider not liking the codec.
The trunk does successfully go from G.729 to G.711 for the MoH.  And the MoH
can be heard in the wireshark RTP.

But here is the big issue.  Your phone is sending the reinvite for MoH or
transfer directly to sipxbridge.

Sipxbridge freaks and says "Request not sent by proxy".

Your phone should never be sending a reinvite bypassing the proxy.  It
should be sending a refer to the proxy and it sends it to sipxbridge which
then reinvites the trunk.

I have seen this in two scenerios

1.  You have a second nic in sipx
2.  Your DNS is wrong.

I'd start there. Beyond that I'd think you have somthing wrong in your phone
profiles.  You could take a phone to factory defaults and generate a fresh
profile that is not part of any phone group that may have some goofy
settings.

-M
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