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</o:shapelayout></xml><![endif]--></head><body lang=FR link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hi,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I sometimes get the following errors:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>kamailio[16098]: ERROR: <core> [resolve.c:1693]: sip_hostport2su(): could not resolve hostname: "mycompany.com"<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>kamailio[16098]: ERROR: tm [ut.h:319]: uri2dst2(): failed to resolve "mycompany.com"<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>mycompany.com cannot be resolved using DNS (there is no corresponding DNS entry). I use this as a logical domain and I don't expect Kamailio to resolve it. Also, I set use_domain (usrloc module) to 0 so only the RURI username is used when searching locations.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>The flow is as follows:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>-the proxy receives the INVITE with <a href="sip:%3cuser%3e@myloadbalancerip:5060">sip:<user>@myloadbalancerip:5060</a> which then forwards the INVITE to a proxy<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>-the proxy looks for <user> internally and finds that this user has multiple subscribers (endpoints)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>-for each subscriber, a branch is appended using append_branch (or the RURI is replaced for the first subscriber) – the new RURI for each branch is <a href="sip:%3csubscriber%3e@mycompany.com">sip:<subscriber>@mycompany.com</a><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>-finally, lookup_branches is called to look for locations for every subscriber<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>lookup_branches only uses the subscriber (RURI username) for searching locations since use_domain is set to 0.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>However, I sometimes get the errors I mentioned.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Any idea why Kamailio sometimes tries to resolve the domain name?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Mickael<o:p></o:p></span></p></div></body></html>