[asterisk-users] Incorrect DTMF detection in Asterisk 1.8

[Joshua Colp]

Amit Salunkhe wrote:
> Hi All,

Hola,

> I'm using 1.8 Asterisk and i havet set DTMF mode=rfc2833 in SIP global
> default settings.
>
> but when user sending DTMf event with SIP info method my asterisk
> accepting that DTMF. If default or global setting is rfc2833 then how
> come asterisk accepting SIP info dtmf event? what to check please guide

The dtmfmode option normally controls just the sending of DTMF, but in 
the case of RFC2833 this overlaps some since it has to be negotiated 
within the SDP. For the other supported DTMF methods there is no 
negotiation that occurs and they are accepted at any time.

Cheers,

-- 
Joshua Colp
Digium, Inc. | Senior Software Developer
445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
Check us out at:  www.digium.com  & www.asterisk.org