Hi All,

Should UAC assumes port =5060 for a binding received in Contact header of 200 
OK response for REGISTER if it does not contain port? For e.g.

UAC sends Contact header in REGISTER:-

Contact: <sip: [email protected]:5060>;expires=100
UAC receives Contact header in 200 OK response:-
Contact: <sip:[email protected]>;expires=100, 
<sip:[email protected]:5062>;expires=10

Now, while matching for correct binding, should UAC assumes port=5060 for first 
binding in Contact header of 200 OK or treat it as a failure?


Thanks and regards,

Aman Aggarwal
Aricent

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