ISDN DTMF Digit Timer

Unanswered Question
Jun 11th, 2007

Hello,

I'm using a local carrier PRI ISDN. Customer are dialing from the Payphone (public telephone) and their pin number are not recnonize by cisco 5300. I've spoke with the PSTN carrier, and they told me its some DMTF digit timer on my cisco. I couldnt find any DTMF timer for e1 ISDN. Can someone help me?!?!

thanks

I have this problem too.
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Paolo Bevilacqua Mon, 06/11/2007 - 12:33

Hi,

No timers. Are you using g.729 ? H.323 or SIP ?

You need to configure an option for "dtmf-relay" under "dial-peer", depending on the above.

Hope this helps,please rate post if it does!

ychuan Tue, 06/12/2007 - 18:51

hi,

the point is.. that call didnt even reached the voip (ip) side (dial-peer voip). I'm getting duplicated/messed up DTMF entries to indentify the customer PIN at the pots leg.

This service use H323 and we use g729, g723 and g711

thanks

Paolo Bevilacqua Thu, 06/14/2007 - 06:38

Do you use a TCL/IVR script for PIN authentication? If so, which one? How did you diagnosed DTMF problems ?

ychuan Fri, 06/15/2007 - 11:19

Yes. Version2, house made script. Our system have a web interface with all logs (radius msg). and when we make the call, the pin number come messed up.

Paolo Bevilacqua Fri, 06/15/2007 - 18:15

Do you have other As5x00 that are working fine, is this only only giving the problem ? IOS used and config for the controller and voice ports ?

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