Problem with siproxd not rewriting request URI

I have a problem with an installation of siproxd not rewriting a request URI correctly.

I'm not sure of the version number of siproxd - I don't administer the server - but it's from the back end of 2005.

The problem that I am seeing is that I can register a contact address correctly, but the incoming INVITE URI is not rewritten to be the contact address, as the following packet fragments show:

Here is my request to the registrar, before hitting siproxd:

<--- REGISTER sip:service.provider.com SIP/2.0

        To: sip:123456-6E0zOJYHXTvTF2aiyCRq+1aTQe2KTcn/@public.gmane.org
        From: sip:123456-6E0zOJYHXTvTF2aiyCRq+1aTQe2KTcn/@public.gmane.org
        Contact: sip:[email protected]:5065;expires=3600

And here is the response:

---> SIP/2.0 200 OK

        From: <sip:123456-6E0zOJYHXTvTF2aiyCRq+1aTQe2KTcn/@public.gmane.org>
        To: <sip:123456-6E0zOJYHXTvTF2aiyCRq+1aTQe2KTcn/@public.gmane.org>;tag=something
        Contact: <sip:[email protected]:5065>;q=0.00;expires=3600

So now siproxd knows that to reach sip:123456-6E0zOJYHXTvTF2aiyCRq+1aTQe2KTcn/@public.gmane.org it should rewrite message URIs to sip:[email protected]:5065.

Now, here is a call coming in to sip:[email protected]

---> INVITE sip:[email protected]:5065 SIP/2.0

To which my UA responds:

<--- SIP/2.0 404 Not Found

Shouldn't the invite have come in with the following instead?

---> INVITE sip:[email protected]:5065 SIP/2.0

It looks like siproxd rewrote the host:port part of the URI but not the user part.


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