Hi,AFAIK, A PRI is normally expected to signal number not in service conditions out of band, so * should be signalling the out of service condition in a manner appropriate for the channel type (as a recording, or as the most accurate protocol specific out of service response code available, casung the out of service condition to be indicated by the target equipment)
I have asterisk functioning as SIP to H.323 gateway for local SIP endpoints and I have H.323 to PSTN
gateway (Lucent MAX TNT) connecting my LAN VOIP to PSTN via PRI.
Everything works fine with one exception. I seem to be unable to figure out why I cannot hear PSTN intercepted announcement ("number is not in service" etc.) when I'm calling a disconnected number through asterisk.
With my SNOM phone, the PRI signals not in service or no route or whatever, then * relays that in the form of a SIP error response, then the SNOM phone executes an internal recording and shows the error on the display as well.
This results in more reliable call handling all the way through, and some bandwidth savings.
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