> -----Original Message-----
> From: Vijeth D [mailto:[EMAIL PROTECTED]]
> Sent: Friday, March 09, 2001 9:10
> To: [EMAIL PROTECTED]
> Subject: [Sip-implementors] ACK retransmissions.
>
>
> 1. After a UAC has recieved a 200 it generates an ACK. How
> long should the ACK be retransmitted since there is no
> indication for reception of ACK.As per the RFC it will be
> retransmitted 7 times whatever happens..What is the workaround?
ACK is retransmitted only when a retransmission of the 200 OK is received by
the UAC. The UAC can cache the ACK for as long as it wants, but it's not
useful to keep it longer than the time the 200 OK is retransmitted (about 7
* T2 seconds)
>
> 2. If a UAS never recieves an ACK after sending 200. What does it do?
The call setup failed, it should be terminated.
>
> Please bear with me if these questions have been brought up
> previously.
>
> Thanks
>
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