[Asterisk-Users] incoming dtmf handling by ATA devices ?

Luigi Rizzo rizzo at icir.org
Fri Dec 16 06:37:16 MST 2005


sorry if the answer is well known but i couldn't find
a relevant pointer.

I am trying to figure out if/how it is possible to
connect a dtmf-controlled device (e.g. answering machine)
to an ATA, and how to configure asterisk to achieve this.

A bit of expermients with a HandyTone 286 shows that
my ATA only produces audible tones on the phone when
using inband dtmf and ulaw codec.  Other options
(rfc2833, info) do not produce any audible sound,
though the SIP or RTP message do get delivered.

Am i missing something ?

cheers
luigi




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