[asterisk-biz] SIT Tone Detection

[Leo Ann Boon]

Brett List wrote:
> Hi All,
> I have a specific Need to detect SIT Tones is SIP RTP Early Media. I 
> specifically need to be able to tell the difference between a RNA and 
> a SIT.
It should be a function of your gateway. chap_sip doesn't support analog 
call progress. And, since you're using G.729 it could be rather 
difficult to detect the tri-tone reliability all the time.

Leo