The SIP proxy lookups up the domain part, what appears after the @ sign before any parameters separated by ; if is an IP address like in your example you do not perform a DNS lookup you just send the packet there.
In the request URI you must put the address of the remote end, not your own address. In your example user A calls user 264512380973 on the same Proxy and not a remote one. See the illustrated examples from: http://www.tech-invite.com/Ti-sip-ex3261.html Adrian On Feb 11, 2011, at 1:17 PM, Toyima Dias wrote: > Adrian, i'm checking the rfc...but even i have a question...when UA sends an > INVITE to it's proxy to a phone for example (obviously not registered on the > proxy), the proxy will check the RURI of this invite and it will se the > following: > > user A sends the invite to its proxy : INVITE > sip:264512380973@172.30.140.57;transport=UDP SIP/2.0 (172.30.140.57 is the IP > of proxy A) > > Where does the DNS takes part? the domain is it's ip address...i'm quite > confuse, any help would b e appreciated > > Thanks > > > 2011/2/11 Toyima Dias <toyim...@gmail.com> > Thanks Adrian...reading the RFC3263! > > Thanks! > > > 2011/2/11 Adrian Georgescu <a...@ag-projects.com> > > The proxy is using DNS to lookup the destination server. > > Google for RFC 3263 > > Adrian > > > On Feb 11, 2011, at 10:19 AM, Toyima Dias wrote: > >> Hello community, >> >> I have a doubt, how does a SIP Proxy (OpenSIPS) would handle a call for a >> domain that he doesn't now? i mean...user A is registered in proxy AA, if A >> wants to call to another user in another domain (not registered in the Proxy >> AA) how does this proxy should handle the call? how does he now where to >> send this call? >> >> Any clarification would be appreciated :) >> _______________________________________________ >> Users mailing list >> Users@lists.opensips.org >> http://lists.opensips.org/cgi-bin/mailman/listinfo/users > > > _______________________________________________ > Users mailing list > Users@lists.opensips.org > http://lists.opensips.org/cgi-bin/mailman/listinfo/users > > > > _______________________________________________ > Users mailing list > Users@lists.opensips.org > http://lists.opensips.org/cgi-bin/mailman/listinfo/users
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