WebRTC·WebRTC essentials

Offer and answer

Peers exchange SDP offers and answers to agree on media.

Advanced 10 min read Lesson 2 of 150 Challenge included
What you will be able to do
  • Create a peer connection.
  • Create an offer.
  • Set the remote answer.

In plain English

Peers exchange SDP offers and answers to agree on media.

  • Create a peer connection.
  • Create an offer.
  • Set the remote answer.
sdp.jsJavaScript
const pc = new RTCPeerConnection(config)
const offer = await pc.createOffer()
await pc.setLocalDescription(offer)
Your turn

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Answer from memory: What does SDP describe?

TEXT · starter
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Knowledge checkQuestion 1

What does SDP describe?

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