[asterisk-users] DTMF and Snom

Jonas Kellens jonas.kellens at telenet.be
Fri Feb 18 02:17:44 CST 2011


Hello list,

I'm having some troubles with DTMF tones. When pressing numbers on a 
Snom phone, the DTMF-signal takes too long.

I have the following in sip.conf :

dtmfmode = rfc2833


which works well for Grandstream, Yealink and Cisco phones. But not for 
Snom.

Snom support tells me I should use SIP info.

Is it possible to have something like this :

dtmfmode = rfc2833, info

??

Because all the other phones types are set to rfc2833, I cannot change 
to just dtmfmode = info

What is a proper solution in my case here ?!


Thank you !

Jonas.
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