[reSIProcate] Different contact in 180 & 200

[derek]

If an endpoint sends you a INV-180 and a INV-200(same dialog) with two
different contact values, dum uses the contact in the 180 as the remote
target of the dialog.  As a result, the ACK to the 200 is delivered to the
wrong place.  

 

What's the spec. say on this; can an early dialog have a different remote
target than the final dialog?  

 

In general, we don't seem to handle target refresh requests properly.  When
should the remote contact of a dialog change; AFAIK, it's a re-invite or the
200 to a re-invite only?

 

--Derek

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