Hi,
To update the remote target set, UPDATE/reInvite shall be used.
Assume, reInvite is used.
So, shall UAS update the remote target set, immediately after receiving
the re-INVITE?
Or only if 200 Ok is sent for this reInvite ?
Assume, the sip stack receives the reInvite and intimates the
application. Now, the
application returns 4xx for some reason. So, in this case, will the remote
target set be updated
in the dialog?
Here is a snippet from RFC3261 Section 12.1.1, for ur immed observation,
that explains the initial INVITE,
but for req within a dialog, it is not clear.
The remote target MUST be set to the URI
from the Contact header field of the request I assume that remote
target set should be updated only when 2xx is sent, whether the request
is reINVITE or UPDATE. Otherwise, the UAC may not be able to confirm that
the
target set is updated. And UAC should try modifying the remote target set,
until 2xx is received.
Thanks in adv.
Best Regards,
Mohammed Hanifa
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