[Asterisk-Users] no DTMF pass-thru

[Moises Silva]

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 at 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
> 
>  
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