>>Then, what causes the UA to register two different >>contacts? Are the wlan contact and the 3g contact >>registered to *different* AORs? If not I don't see the >>point. If anything, I would expect that 3g and wlan >>represent access networks and hence differing proxies, not >>AORs or registrars. > >my sip uri is sip:[EMAIL PROTECTED] and the nokia phone on my >desk is currently registered to proxy of tutpro.com domain >via both its wlan interface and its 3g interface. there is >no need to have two different proxies. > >by the way, when my phone is on wlan and gprs network, the >methods supported by wlan contact and gprs contact are not >the same (if that matters anything to the instance-id business).
If the phone performs SIP outboun registrations over the different accesses, I assume the instance-id value is the same for both registrations. And, yes, in many cases you probably will be able to reach the same outbound/edge proxy via all accesses. Regards, Christer _______________________________________________ Sip mailing list https://www.ietf.org/mailman/listinfo/sip This list is for NEW development of the core SIP Protocol Use [EMAIL PROTECTED] for questions on current sip Use [EMAIL PROTECTED] for new developments on the application of sip
