________________________________________
From: Johnson, Michael A [michael.a.john...@team.telstra.com]

Thanks Dale,
The problem I have is that I cannot find anything definitive in RFC3261 that 
explicitly states that the system cannot accept the 200OK despite the fact it 
has no capability to handle the codec. The best I see in the RFC is 'SHOULD'.
To get the code corrected, I really need a clearly documented breach in the way 
they handle the call. And while it is obvious that this is not correct 
behaviour, this is not what I get back from their design team:

"Although it might look like we're not doing it correctly, we are. ACK is the 
proper msg to be sent to acknowledge a response (2xx-6xx) to an INVITE request 
as per RFC3261"

They have implemented a dodgy work around, however I want a proper fix and was 
seeking assistance to find the exact RFC extract to prove they are in breach of 
the standards.
________________________________________

Please...  You still haven't clearly stated which device you think is doing 
something wrong, and exactly what you think it is doing wrong.  I can't afford 
to spend more time on this discussion until you make it clear *what the problem 
is*.

Dale

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