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New Member

DTMF to control Unity isn´t working

Hi,

I have installed a Unity Voicemail System. Remote control of the voicemail boxes over DTMF from internal (IP Phones) is working. Remote control of the voicemail boxes from outside (PSTN) over DTMF isn´t working. I think it isn´t working because the DTMF tones aren´t transmitted to the Unity Server.

I have a cisco 3640 router with one e1 trunk to the PSTN, one Callmanager and one Unity Voicemail Server installed.

Has anybody an idea how to solve this problem?

Thanks

Manfred

7 REPLIES
New Member

Re: DTMF to control Unity isn´t working

Sounds like you need to enable DTMF relay on your dial-peer to the unity. Under the voip dial peer, the command should be dtmf-relay h245-alphanumeric

hope this helps.

New Member

Re: DTMF to control Unity isn´t working

Thank you for your answer. This was my first idea too. The dtmf-relay h245-alphanumeric is configured on the dial peer voip and it doesn´t work anyway.

Regards

Manfred

Cisco Employee

Re: DTMF to control Unity isn´t working

Can you possibly post your 3640 running configuration? Also, what version of IOS are you using?

New Member

Re: DTMF to control Unity isn´t working

I haven´t found how to post an attachment. I have sent the config file directly to david. If everybody else needs the config file please send me an email.

New Member

Re: DTMF to control Unity isn´t working

Your symtoms closely resemble an issue I was having. Take a look at my dial peers....Use the progress_ind statements under your dial peers.....

dial-peer voice 1 pots

destination-pattern 9T

progress_ind alert enable 8

progress_ind progress enable 8

progress_ind connect enable 8

direct-inward-dial

port 2/0:23

!

dial-peer voice 2 voip

destination-pattern 6302...

progress_ind setup enable 3

session target ipv4:172.16.56.2

dtmf-relay h245-alphanumeric

codec g711ulaw

no vad

New Member

Re: DTMF to control Unity isn´t working

I configured my dial-peers like your suggestion. But I still can´t send DTMF signals to the Unity Server. For testing DTMF I send DTMF signals from the PSTN to a IP phone. I think this should work.

No idea what to do!

Cisco Employee

Re: DTMF to control Unity isn´t working

You can just copy and paste the contents of the file to your post.

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