Hello,

On 03/07/06 02:00, Dr. Rodney G. McDuff wrote:
Hi Daniel
Daniel-Constantin Mierla wrote:
Using subst_uri(), as you discovered, is the tweak to make it working
(see the mailing list archives). However, the contact in reply must be
handled by the end device (caller). The proxy should take care in case
of NAT.
But would it be better to hide all these shenanigans from the user and
just interpret the maddr tag instead of rewriting it
it makes sense, we will analyze the implications and include it on the to-do list.

Cheers,
Daniel

 similar to how
asterisk does it:
>From chan_sip.c:
/*! \brief  set_destination: Set destination from SIP URI ---*/
static void set_destination(struct sip_pvt *p, char *uri)
{

<snip>
        /* Got the hostname:port - but maybe there's a "maddr=" to
override address? */
        maddr = strstr(h, "maddr=");
        if (maddr) {
                maddr += 6;
                hn = strspn(maddr, "0123456789.") + 1;
                if (hn > sizeof(hostname)) hn = sizeof(hostname);
                ast_copy_string(hostname, maddr, hn);
        }


**
Cheers,
Daniel

On 03/06/06 04:02, Dr. Rodney G. McDuff wrote:
I am try to get Windows Messenger v5.1 to play nicely with other UAs and
SER/OpenSER and Asterisk. One of the problems that is confounding me is
WM5 non-standard contact header which is of the form:

    Contact:
<sip:[EMAIL PROTECTED]:5060;maddr=xxx.xxx.152.57;transport=tcp>;proxy=replace.


The SIP RFC say that a maddr URL tag overrides the host part of the url
(at least for the Via header). However when a UA uses this contact to
send an ACK or BYE back to the WM5 UA , OpenSER does seem to be able to
route it to xxx.xxx.152.57. If fact Openser pops the route header off
(which contains the IP for the proxy) into the RURI and the response
goes nowhere. (See attached trace)
When I rewrite the contact in the config file but put the following code
in route[0]:



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