Configuration of SIP DTMF with a CUCM 6.1

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Aug 1st, 2008
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Hi all,

We are facing a problem with the interconnection between GSM voice gateway and a CUCM 6.1 server. One of our call center number is a GSM number; so we put a GSM sim card in a GSM voice gateway; but when you dial that number you have the welcome prompt and when you dial 1 for French or 2 for English and the CUCM does not interpret this digit. We created a SIP trunk between the GSM voice gateway and the call manager. Is that the correct procedure or do we need to go through a Cisco Voice gateway? Can someone send the procedure of how do this configuration?


Thanks,

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irisrios Thu, 08/07/2008 - 10:55
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CCM 6.x is recommended to keep MTP Required check box disabled. SIP end users can not receive calls from ip phones connected to CCM 6.1.


Configuring SIP DTMF Features

http://www.cisco.com/en/US/docs/ios/12_3/sip/configuration/guide/chapter8.html


SIP DTMF Features per IOS release:

http://www.cisco.com/en/US/docs/ios/12_3/sip/configuration/guide/sipftgde.html


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