(Answer) (Category) SIP FAQ : (Category) SIP Protocol Operation :
Does a UAS use the request-URI or To field to determine if a call is for it?
It uses the request URI. A UAS should be prepared to receive calls with the request URI set to values that it has registered (and placed in the Contact header of REGISTER). It should also be prepared to receive calls with the request URI set to the value it placed in the To field of the REGISTER. Its not likely to see such a request URI, unless its receiving a direct client to client call.
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jdrosen@dynamicsoft.com
2000-Jul-21 11:58am
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