CUCME Outgoing DTMF from SIP phone to PSTN

Unanswered Question
Mar 16th, 2010

Dear all,

2811 Voice router with CME and SIP phone is installed and working.

2 BRI interfaces connects to PSTN (they are no SIP trunk).

When outgoing calls made from SIP Ipphones to an external IVR system, DTMF signals are not sent in order to navigate in voice menu.

The command "dtmf-relay sip-notify" has been applied in "voice register pool" without success.

Please, could you tell me how to configure CME in order to sent outgoing DTMF to PSTN from SIP Phone?

Thanks for your help.

Best regards.

I have this problem too.
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Paolo Bevilacqua Tue, 03/16/2010 - 08:34

The easier way is to configiure the sip phone to not use relay.

Note sip phones actually never use sip-notify.

PASCAL DECK Wed, 03/17/2010 - 00:26

Thank you for the suggestion.

But technicaly, how to do that?

Any example will be appreciate.

Best regards

PASCAL DECK Sun, 05/17/2015 - 23:51

No solution was found.

Context has been changed and CUCME installaton had been removed without resolution. Sorry.

mustang500 Mon, 05/18/2015 - 01:03

solution for my problem was below:

 

as explained by Paolo

voice register pool  120
 busy-trigger-per-button 2
 id mac xxx.xxxx.xxx
 type 8851
 number 1 dn 120
 cor incoming CALL-NATIONAL default
 dtmf-relay rtp-nte
 username 123123 password 123123
  codec g711ulaw

 

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