How to use rtpdtmfdepay from gstreamer

[amar]

Hi,

I have written the pipeline to receive pcmu audio in sip call from rtp
port. Caller send the dtmf signal on a same port which is used for audio. I
want to receive and decode that rtp dtmf signal send by the caller.

When I reserched for solution of this opertion. I found that rtpdtmfdepay
is used to decode the rtp dtmf.

Can you tell me How can I use rtpdtmfdepay element in my pipeline ? or
please give me any example with pipeline for decoding rtp dtmf using
gstreamer.

Any help/pointer appericiated ...

-- 
Thanks & Regards,
Amar.
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