Re: Is it possible to play an audio stream to an endpoint that already has an audio stream established? - Programmer

unix · #1 10-04-2007, 06:39 PM

This isn't really TAPI related...

However, assuming you are managing the overall calls using TAPI, you might
be able to inject a tone by invoking lineGenerateTone() against one of the
IP phone call views.
--
Grant Schenck
http://grantschenck.tripod.com

"Mike Davies" wrote in
message news:m98di1938j4ofjvum1c60p657j05q2u9kp@4ax.com...
> Hi All,
>
> I am developing a recording application which records the audio
> between IPphones by sniffing the rtp traffic. In some countries it is
> necessary to alert the user to the fact that the call is being
> recorded by playing a faint beeping noise in the background, a bit
> like a call waiting tone. How would I go about sending a separate
> audio stream (ie. My beeping tones) to an ipphone so the person on the
> other end will hear a faint series of beeps as well as the main audio
> of the person talking. I have tried just sending rtp packets to the
> phone with the correct SyncID, sequence numbers, timestamps etc but it
> doesn't work. Anybody done something like this before.
>
> Many thanks
>

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