On Thu, 17 Mar 2005, Eric Knudson wrote:
> Trevor,
>
> Nah, I think the response is correct. Take a look at the chart again:
>
> http://www.lkn.ei.tum.de/lehre/kn2/anhangKap4.pdf
>
> look at the incoming setup procedure(1 of 2) (user side).
>
> If you get an incoming SETUP, then you MUST respond with one of the following:
>
> CALL PROCEEDING, or ALERTING, or CONNECT, or RELEASE COMPLETE. Follow
> the rest of the logic path to completion for the rest of the call.
You are not allowed to first respond with a CALL PROCEEDING and then a
RELEASE COMPLETE. In that case DISCONNECT is allowed I think.
> I suspect that the carrier(since they mentioned a progress indicator)
> expects your equipment to cut through audio and play a message
> back("we're sorry, that extension is not available, blah, blah") or
> play a busy tone or something.
Peter
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