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
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