Acme Packet (MOSC)

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RTP Payload vs RTP event DTMF

edited Mar 17, 2020 5:01AM in Acme Packet (MOSC) 16 commentsAnswered

Hi fellows,

I would like if someone can help me with the following doubt.

Seeing the below picture when I dial the DTMF to access an IVR, I always see that we have RTP (telephone-event) with DTMF (with payload type 101 for  RFC 2833) in our case, and after that, I can see an RTP payload with the same SSRC, but different Payload example 99.

My doubt is what is different between the RTP (telephone-event) and the RTP(g711U) after this DTMF?

The payload of the DTMF is loaded or present in the RTP (telephone-event)? Or this packet is just an indication of which is the DTMF that will be loaded in the Payload of the RTP(g711U) that have the same SSRC?

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