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2. Session Description Protocol - Wikipedia

   en.wikipedia.org/wiki/Session_Description_Protocol

   The Session Description Protocol (SDP) is a format for describing multimedia communication sessions for the purposes of announcement and invitation. [1] Its predominant use is in support of streaming media applications, such as voice over IP (VoIP) and video conferencing.

3. Session Initiation Protocol - Wikipedia

   en.wikipedia.org/wiki/Session_Initiation_Protocol

   For call setup, the body of a SIP message contains a Session Description Protocol (SDP) data unit, which specifies the media format, codec and media communication protocol. Voice and video media streams are typically carried between the terminals using the Real-time Transport Protocol (RTP) or Secure Real-time Transport Protocol (SRTP). [3] [8]

4. Service delivery platform - Wikipedia

   en.wikipedia.org/wiki/Service_delivery_platform

   In the context of telecommunications only, the business objective of implementing the SDP is to enable rapid development and deployment of new converged multimedia services, from basic POTS phone services to complex audio/video conferencing for multiplayer video games (MPGs). In the context of SaaS, similar business objectives are achieved but ...

5. H.323 - Wikipedia

   en.wikipedia.org/wiki/H.323

   H.323 is a system specification that describes the use of several ITU-T and IETF protocols. The protocols that comprise the core of almost any H.323 system are: [8] H.225.0 Registration, Admission and Status (RAS), which is used between an H.323 endpoint and a Gatekeeper to provide address resolution and admission control services.

6. RTP payload formats - Wikipedia

   en.wikipedia.org/wiki/RTP_payload_formats

   RFC 3551, entitled RTP Profile for Audio and Video (RTP/AVP), specifies the technical parameters of payload formats for audio and video streams. The standard also describes the process of registering new payload types with IANA; additional payload formats and payload types are defined in the following specifications:

7. Session Announcement Protocol - Wikipedia

   en.wikipedia.org/wiki/Session_Announcement_Protocol

   SAP typically uses Session Description Protocol (SDP) as the format for Real-time Transport Protocol (RTP) session descriptions. Announcement data is sent using IP multicast and the User Datagram Protocol (UDP). Under SAP, senders periodically transmit SDP descriptions to a well-known multicast address and port number (9875). [1]