asterisk users - Jun 2005 - no DTMF pass-thru

Hi all,

We have a little problem.
One of our customers has a problem with DTMF pass-thru.
They use GrandStream 286 devices to connect their pstn phones to
asterisk.
everything works like a charm, except DTMF pass-thru. when they call
an IVR system, they cannot select options because the DTMF tones
never reach the IVR.
Normal asterisk voicemail works though. so it looks like asterisk is
not forwarding the DTMF tones to the zap interface.
Is this a setup problem or asterisk intended?

Regards.
Andre




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make sure that the DTMF mode configuration in Asterisk match the
configuration inside the Grandstream devices. I mean, in asterisk
config you may need something like

[20]
type=friend
.....blah
dtmfmode=info

and of inside the configuration of the Grandstream device you may have
to use the same dtmfmode.

give that a try, hope it helps you.

best regards

On 6/8/05, Asterisk <asterisk@vinkconsult.com>
wrote:
> Hi all,
> 
> We have a little problem.
> One of our customers has a problem with DTMF pass-thru.
> They use GrandStream 286 devices to connect their pstn phones to asterisk.
> everything works like a charm, except DTMF pass-thru. when they call an IVR
> system, they cannot select options because the DTMF tones never reach the
> IVR.
> Normal asterisk voicemail works though. so it looks like asterisk is not
> forwarding the DTMF tones to the zap interface.
> Is this a setup problem or asterisk intended?
> 
> Regards.
> Andre
> 
>  
>  
> -----
> Disclaimer
> 
> This email and any files transmitted with it are confidential and intended
> solely for the use of the individual or entity to whom they are addressed.
> If you have received this email in error please notify the system manager.
> Please note that any views or opinions presented in this email are solely
> those of the author and do not necessarily represent those of the company.
> Finally, the recipient should check this email and any attachments for the
> presence of viruses. The company accepts no liability for any damage caused
> by any virus transmitted by this email.
> 
>  
>  
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