Hello Mike,

I read if the transaction is in the PROCEEDING state, you SHOULD stop Timer A. If you 
decide to stop Timer A, Timer B has no function anymore. I decided to let Timer B run 
out and I don't stop it. 

Yes, there is no time limit after a pending connection is reached. You can stop it by 
sending a CANCEL or a proxy will stop it by sending a 408 Timeout after its Timer C 
expires pr the UAS will send a final response.

Greeting

Markus

"Szilagyi, Mike" <[EMAIL PROTECTED]> schrieb am 17.08.04 05:54:15:
> 
> For an INVITE client transaction, if the transaction is in the
> Proceeding state, is Timer B still active?  Or should Timer B be
> cancelled when a provisional response is received?
> 
>  
> 
> It's not clear if there is a defined time limit for an INVITE client
> transaction [that has received a provisional response] to receive a
> final response?
> 
>  
> 
> Thanks in advance.
> 
>  
> 
> -Mike
> 
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