Re: Dual registration without Outbound

 
>>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
 
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