Hi;
We are experiencing a strange behavior in the following scenario:

A: Using Sofia SIP stack


A -------> INVITE
A <------  183 with RSeq
A --------> PRACK
A <------- OK ( PARCK )
A <------- 180
A ----------> CANCEL
A <---------- OK ( Cancel )
A <---------- 487 Request terminated

At this point I was expected A to send ACK to terminate the INVITE Transaction, 
but the ACK is never sent.

In the same scenario, but without PRACK, the ACK after the 487


This is a known bug ????


Inca
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