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Seminar
"Session Initiation Protocol - Details" (duration: 2 days)
This seminar covers
fully independent details about the Session Initiation Protocol. Important SIP
elements, their tasks, protocol traces and security aspects will be explained.
Live presentations of protocol traces deepen your knowledge.
WHY you should attend:
- Because you need detailed technical knowledge
about the SIP protocol
- Because you have to troubleshoot your VoIP
solution
- Because you need to know how to work with a
typical protocol analyzer (Ethereal/Wireshark)
Your PREVIOUS KNOWLEDGE:
- Ethernet and TCP/IP knowledge is mandatory.
CONTENT of the Seminar
Introduction
Terms - Advantages – Arguments – Trends - Open Questions
ITU-T H.323 and
other Standards
Overview about
Standards and Protocols
Session Initiation Protocol (SIP)
What is it? – Important Characteristics – History - Goals –
Working Groups – Important Tasks - Components and their Tasks –
Redundancy and Reliability – Tests of SIP Solutions – SIP Trends
The SIP Protocol (General, Transactions, Methods, Method Extensions,
Dialog, SIP Addressing, Message Format, Registering, Redirection, Stateless Proxy, Stateful Proxy, Proxy
Chaining, Forking, Gateway Selection, Proxy or Redirect, Mobile Users,
Signalling SIP / PSTN, Use of DNS and Location Server,
Problems with Connection Establishment, Traces with Presence Service)
Session Description Protocol – Session Announcement Protocol – Media Gateway
Control Protocol – Supplementary Services – Scripting (Call Processing Logic)
Security (Problems with SIP, SIP Authentification, Secure SIP, Secure RTP,
Problems with Firewalls and NAT, Solutions using Application Layer
Gateways, Tunneling, Parallel Operation of Firewalls, STUN, TURN, ICE)
Products, Provider
Vendors – Product Examples – Interoperability – Internet Telephony Service Provider (Examples)
Conclusion
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