Paul Kyzivat writes:

 > 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).

-- juha
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