Re: [OpenSIPStack] send/receive DTMF via RTP

[Joegen B. <joe...@gm...>]

Yes OpenSIPStack supports RFC 2833.  If you have inherited from 
SoftPhoneInterface, all you need to do is implement

virtual void  Event_ReceivedDTMF(
    const OString & eventInfo
 ) = 0;

to receive the DTMF.  eventInfo should contain the DTMF digit sent by 
the remote.
To send DTMF, simple call the function below

void SendRFC2833Tone(
    const OString & tone,
    int duration
 );

where tone contains the digit(s).  The duration should contain how long 
the digits are played expressed in milliseconds.

~joegen

duong dao wrote:
> hi everybody,
>
> Does opensipstack support RFC2833? How do i send DTMF via RTP?
>
> Thanks you!
>
>
>
>       
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