The Session Description Protocol is a format for describing multimedia communication sessions for the purposes of announcement and invitation. Its predominant use is in support of streaming media applications, such as voice over IP and video conferencing.

What protocol does SDP use?

SDP is purely a format for session description - it does not incorporate a transport protocol, and is intended to use different transport protocols as appropriate including the Session Announcement Protocol [4], Session Initiation Protocol [11], Real- Time Streaming Protocol [12], electronic mail using the MIME ...

What is SIP SDP protocol?

SDP, also known as Session Description Protocol is the protocol used with SIP (session initiation protocol) to advertise such information. SDP does not stream or provide the media itself, and it is not intended to support negotiation processes of streaming sessions or type of encodings used.