Hi,
I have some queries regarding Cancel method.
1. In Sec9.1, the To header field must be identical to those in the request
being cancelled.
But in Sec12.2.1, the To tag in the To header field of the request must
be set to the remote tag of the dialog ID.
So do I need to add To tag into the Cancel request using the remote tag?
2. If No is the answer,
Does the proxy server need to add different To tag and pass it to
different UAS?
And does it need to add To tag into the final response it reply to
the UAC?
Thanks
Steven
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