[asterisk-users] inband DTMF for g729

[Darrick Hartman (lists)]

Joshua Colp wrote:
> Andres wrote:
>>>
>>> I can connect to Asterisk IVR using a SIP phone and send RFC2833 with g729. 
>>> It works fine. But when test call from PSTN to Asterisk, if I set dtmf=auto 
>>> with g729, I got warning saying something like  * does not support inband 
>>> for g729 and sutomaticlly switch to rfc2833.  If I set dtmf=g729, there is 
>>> no warning but I have the same problem. This tells me that Level3 does use 
>>> inband for g729 or maybe I am doing something wrong .
>>>  
>>>
>> You are doing something wrong.  Nobody uses inband DTMF for G729 because 
>> it does not work.  Do a sip debug to make sure your sip.conf entry with 
>> the dtmf=rfc2833 is being used.
>>
> 
> I'll chime in since nobody has yet corrected this... it's 
> dtmfmode=rfc2833 not dtmf=rfc2833

Yeah that's what I meant.  Total lack of caffeine this morning.

-- 
Darrick Hartman
DJH Solutions, LLC
http://www.djhsolutions.com