[cisco-voip] Record and Playback DTMF

[Nick Matthews]

If you use adobe edition (formerly cooledit pro), you can insert certain
frequencies into a new audio stream.  You can download cool edit pro trial
version, and the frequencies are widely available, check wikipedia.  I've
done this for troubleshooting before.  Make the duration about 100-150 ms
and the dB around 8-12dB and you should be golden.

I'm not sure the feasibility of having CUC record and re-send the message,
but you can definitely record DTMF with no problem.  You can probably even
download wav files of the tones themselves.  I don't think getting it over
the PRI would be a problem.

-nick

On Wed, Aug 25, 2010 at 5:25 PM, Ted Nugent <tednugent73 at gmail.com> wrote:

> We're looking for a simple integration point with a Siemens PhoneMail
> system  and CUC Since their system only supports AMIS and CUC only supports
> VPIM we're looking for a workaround to get a broadcast message from the
> Siemens to the CUC about twice a year. After a long discussion about options
> today it seems as though the Phonemail system can make an outbound
> notification to CUC (pretending its a users) a couple DTMF tone are required
> to play the message after the notification. CUC could have a greeting on a
> CH to play back some DTMF tones and record the message to the "all Users"
> PDL, its obviously not perfect but it would be the best option we have at
> the moment since migrating the PBX users to CUC or moving to Unity are off
> the table. Am I off my rocker or would this work? Has anyone attempted this
> before? My concern is if the DTMF frequency range could be captured in the
> recording and more importantly played back correctly over the PRI to tell
> the VM system to play the message.
> Basically what we have is Siemens PBX/Phonemail connected via PRI to CUCM
> and CUC. everything is straight G711.
> TIA for any guidance
> Ted
>
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