In RFC2543bis-08 line 1463:
If no provisional response has been received, the CANCEL request MUST NOT be sent
Then consider the following scenario
Phone1 Phone2
INVITE--------------------------------------->
INVITE--------------------------------------->
INVITE--------------------------------------->
INVITE--------------------------------------->
INVITE--------------------------------------->
INVITE--------------------------------------->
INVITE--------------------------------------->
If the last INVITE is received and, when the 100 response reaches the caller, the
Phone1's TF has already expired. Thus the phone 2 will wait 32 seconds for the ACK.
Is this reasonable? I know line 1463 is to avoid race condition, but how to process
the above scenario? Thanks!
nicky
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