[Asterisk-Users] PRI Cause Code Help

[Peter Svensson]

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