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No Touch Tones on IP Communicator 8.6.2.0

                   I have IP Communicator 8.6.2.0 installed on several users pc's.  When depressing one of the keypad keys on the keyboard or via mouse input there is only a Mono tone generated and not DTMF.  I have been searching but can only seem to come up with something while in Citrix.  From what I could gather there should be an icon on the desktop to allow DTMF but I am unable to locate it.IPCommunicator.jpg

Thanks in advance for any assistance with this matter.

Randy

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No Touch Tones on IP Communicator 8.6.2.0

From what I could gather there should be an icon on the desktop to allow DTMF but I am unable to locate it.

There is no separate icon for DTMF buttons; the keypad is built into the app as you see there.

You can run a Wireshark and see whether the client is transmitting the SCCP KeypadButton packet for each button pressed. If it isn't it's a PC-side issue (firewall?). If it is, then something is wrong on CUCM.

Also, be careful about RFC2833. The newer versions of CIPC support it and it may be choosing to transmit the DTMF event in the RTP stream instead of as a SCCP out-of-band signal event to CUCM. If the gateway it's speaking to isn't configured for RFC2833 this could also be the cause.

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