Tomislav Parčina wrote:
In sip.conf for one friend (Cisco 7970 phone) I have define this
dtmfmode=inband
And in xml.conf of that phone I have
<preferredCodec>none</preferredCodec>
<dtmfAvtPayload>101</dtmfAvtPayload>
<dtmfDbLevel>3</dtmfDbLevel>
<dtmfOutofBand>none</dtmfOutofBand>
But DTMF doesn't work for that phone.
Phone establishes call using g711 alaw codec.
How should I configure phone and sip.conf to make DTMF work?
In asterisk sip.conf, use dtmfmode=rfc2833 for that extension, and in
the SIPDefault.cnf boot file for the cisco, include:
dtmf_inband: 1
dtmf_outofband: avt
dtmf_db_level: 3
(you'll need to translate the above 7960 parameters into the 7970 xml
parameters since I don't have a 7970 to play with.)
Taking a wild-ass guess, you might be able to get by simply using the
dtmfmode=rfc2833 parameter in asterisk without touching the phone. Try it.
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