# media soup RTP payload type

**URL:** <https://mediasoup.discourse.group/t/media-soup-rtp-payload-type/848>\
**Category:** mediasoup libraries\
**Created:** [April 22, 2020, 2:21pm UTC](https://mediasoup.discourse.group/t/media-soup-rtp-payload-type/848 "2020-04-22T14:21:31Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![OG-RTC](https://avatars.discourse-cdn.com/v4/letter/o/f475e1/32.png) [@OG-RTC](https://mediasoup.discourse.group/u/OG-RTC)\
**Post date:** [April 22, 2020, 2:21pm UTC](https://mediasoup.discourse.group/t/media-soup-rtp-payload-type/848/1 "2020-04-22T14:21:31Z")

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Hello,  
I am trying to understand the RTP payload media soup uses, which is 101?  
I read one RFC and 101 states that it is dynamically assigned, should we use always 101 in the sdp when consuming from a plainRTPEndpoint? I don’t really understand the use of that payload and its flow from client to server or vice versa

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**Author:** ![ibc](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/ibc/32/1540_2.png) [@ibc](https://mediasoup.discourse.group/u/ibc)\
**Post date:** [April 22, 2020, 2:37pm UTC](https://mediasoup.discourse.group/t/media-soup-rtp-payload-type/848/2 "2020-04-22T14:37:20Z")

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- [https://mediasoup.org/documentation/v3/mediasoup/rtp-parameters-and-capabilities/#RtpCodecCapability](https://mediasoup.org/documentation/v3/mediasoup/rtp-parameters-and-capabilities/#RtpCodecCapability)

- [https://mediasoup.org/documentation/v3/communication-between-client-and-server/#consuming-media-in-an-external-endpoint](https://mediasoup.org/documentation/v3/communication-between-client-and-server/#consuming-media-in-an-external-endpoint)