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New Member

DTMF in call fails

CCM 3.3.3 sr4a

Today on two different sets during a call into "menu" systems, no DTMFs could be sent. (e.g. press 1 and the prompt just keeps repeating. One call was to HP Support and the other to a Cisco Conference Connection)

Rebooting the phone seemed to correct the problem.

Any ideas as to the cause for this "fluke" or is this something more foreboding???

Lee

4 REPLIES
New Member

Re: DTMF in call fails

Just had another user complain about not being to send DTMF tones once the call connects. Unplugging the set restores functionality. I would still like to know why after two years all of a sudden this is happening?

Silver

Re: DTMF in call fails

I think your best bet is to wait for an occurrance, and make sure your trace level is set to detailed, duplicate the problem with a test call, and open a TAC case and send along the CM trace. Then they will be able to tell who is failing to behave correctly - does the phone never try to send the tone, or does the CM ignore it, even though everything about the phone is normal.

Mary Beth

New Member

Re: DTMF in call fails

Well what ever is causing it is starting to tick off the users because more are noticing that they can't call into IVR systems.

I am even hearing complaints about outside users not being able to TT responses to our IPCC Enterprise. Too spooky.

Lee

Silver

Re: DTMF in call fails

Is this the same system as your 'smoke and mirrors' post? It would be interesting to see if the reboot cleared this problem too!

Mary Beth

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