[Blink] DTMF not supported

Saúl Ibarra Corretgé saul at ag-projects.com
Tue Jul 20 15:53:10 CEST 2010

On 20/07/10 15:45, Tomasz Muszynski wrote:
> See here :)
> http://www.voip-info.org/wiki/view/SIP+Info+DTMF
> I have also a hardware SIP gateway and there are three possible settings for DTMF: SIP INFO, RFC2833 and RELAY - only the last one works for me.

Blink supports sending DTMF tones in two ways: RFC2833 and Inband. In 
order to use inband (DTMF sent in the RTP stream) you'll need to use a 
codec which doesn't compress the audio, such as pcma or pcmu.


Saúl Ibarra Corretgé
AG Projects

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