Session Initiation Protocol (SIP)

1 Days / 2 Live Online Sessions (0900-1230) / Technical Level: Level 2

Course Code: MB1401

Course Summary

This course provides an understanding of the Session Initiation Protocol (SIP), Session Description Protocol (SDP) and the Real-time Transport Protocol (RTP) and their roles in establishing multimedia communications over an IP-based network. It also provides a detailed understanding of SIP architectures and identifies the roles and functions of a variety of SIP server types.

Who would benefit

Those requiring a detailed understanding of the operation of the SIP and related protocols.


A basic understanding of IP, UDP and TCP is an advantage.

Topic Areas Include

  • The role of SIP, SDP and RTP in multimedia communications

  • Locating users in a SIP environment

  • SIP requests and responses

  • SIP user agents, dialogues and transactions

  • SIP architecture, operation and procedures

  • SIP URIs and Tel URIs

  • Analysis of SIP registration and session control

  • Analysis of SIP and SDP messages and header fields

  • Request and response routing techniques

  • Route and record route headers

  • The roles and functions of SIP Servers: Proxy, Redirect, B2BUA and Forking

  • SDP offer/answer model

  • SIP-I and interworking with the PSTN

  • Registration and session establishment

  • Case studies using Wireshark analysis