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phone key input not working on a callhandler

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Feb 28th, 2006
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Hello iam using unity 4.0 with a callmanager integration. On the unity side ive setup a callhandler to auto answer a call(this work fine) but when i tried to take a message, the callers input phone keys are only recognized by unity for the cisco ip phones and not from common pulse telephones or telephony software. For example when i call the extention of the callhandler i can hear the greeting but when i dial numbers(on common telephones) nothing happens, its like unity dont listen to them. This happens with the Greetings administrator too. Is there something im missing out? help please.

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gogasca Tue, 02/28/2006 - 16:46
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Which type of GW is interfacing with CCM|Unity.

If H323 check dial-peer statements for dtmf-relay h245 alphanumeric

If MGCP check mgcp dtmf-relay voip codec all mode out-of-band command


Open Unity --> Tools depot --> Switch integration tool ---> Port status monitor


You should be able to see DTMF[]


Let us know

morrison2006 Wed, 03/01/2006 - 06:49
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no dtmf is shown during the trace of the port in port status monitor. How can i check if im using h323 or mgcp ? how can i check the properties if i found the right one?

jarik Tue, 04/11/2006 - 10:31
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The reason this isn't working is because dtmf-relay is not enabled on the gateway dial-peer that is handling this call. You need to find the voip dial-peer in the gateway that is sending the call on to call manager and add the command "dtmf-relay h245-alphanumeric". This will forward the dtmf tones in the RTP stream so that they can be recognized by Unity.

solomin Mon, 04/17/2006 - 02:51
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Common pulse telephones doesn't generate DTMF. So you have to switch telephones in tone mode or change them.

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