Hi all,
can anybody tell me why the transfer procedure needs NOTIFY message
with application/sipfrag message body?
Why not simply keep the REFER transaction open by sending:
- a provisional response instead of the 202/Accepted and
- a final 200/OK response instead of NOTIFY(200 OK) ?
Just like the INVITE transaction with all its intermediate responses.
Or even more simple:
The Transferee sends the BYE by itself instead of asking the Transferor
to terminate the call?
Do you know the reason why the NOTIFY transaction has been added to
call transfer procedure?
Thanks for your help,
Thomas
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