Sending Caller ID from PSTN to IP Phone.

Unanswered Question
Jul 13th, 2007

I tried calling an IP phone with a PSTN number but it does not go through. Can anyone be of help please.

I have this problem too.
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Paolo Bevilacqua Sat, 07/14/2007 - 01:19

Is the caller-id service present and working on the line ?

Is the voice-port configured for caller-id and correct cptone ?

peternnaji Mon, 07/16/2007 - 00:42

Hi bevilacqua

Yes the cptone is correct, but not so sure of the voice-port config for caller-id. an you help out?

Paolo Bevilacqua Mon, 07/16/2007 - 00:55

First of all you have to test the service by connecting a regular phone with caller id to the line, and verify that you can receive caller id.

Then for configuration, under voice-port just configure "caller-id enable".

If caller id doesn't work, please send configuration and output of "term mon" and "debug vpm signal" when receiving a call.

Hope this helps, please rate post if it does!

Paolo Bevilacqua Tue, 07/17/2007 - 02:24

Hi,

You have no analog voice port so there is no need to configure caller-id. Please look at the output of "term mon" and "debug isdn q931" to observe which calling number is being sent from telco.

Note: these commands that you have configured:

voice call send-alert

voice call convert-discpi-to-prog always

voice rtp send-recv

voice disc-pi-incoming-on

Unless you have a reason to have them, are unnecessary and can be cause of trouble.

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