[Asterisk-Users] problems with DTMF

[Martin Joseph]

On Mar 22, 2006, at 2:49 PM, Avi Miller wrote:

> Will Glass-Husain wrote:
>> My local phone is a Grandstream GXP-200
>> dtmfmode=info
>
> For the GXP2000's, you want to change this to:
>
> dtmfmode=rfc2833
>
> They don't really handle INFO mode well, in my experience.
>

That's what I was thinking also.  In addition,  DTMF can be very volume 
sensitive,  so tweaking gains might help.