| SIP training
course contents
VoIP review
What is VoIP? Brief review of IP, Brief review of telephones
and voice. RTP, RTCP, mixers and translators. Hands on:
Analysing RTP packets.
What is SIP?
Why SIP? SIP history, SIP standards, SIP capabilities, key
services, how SIP works, and a basic SIP call. Hand on: Peer
to peer SIP.
SIP messages
SIP sessions, SIP flows, Message structure, INVITE, ACK,
BYE, CANCEL, OPTIONS, REGISTER. Extension methods. Response
codes. SIP call flows. Hands on: Analysing SIP packets.
SIP architectures
UA client, UA server, Proxy servers, Redirect servers, registrars.
SIP phones, gateways, application servers, other products.
Stateful and stateless servers. Various call scenarios.
Hands on: SIP proxies.
SIP addressing
URLs, SIP addresses, registration, Location and Directory
servers. Address tracking. Hands on: SIP and DNS.
Supplementary services
SIP signalling, signalling compression, Call hold, Call forwarding,
Home and away scenarios, transfers, conferences, call control.
Hands on: Analysing SIP supplementary services.
SDP
What is SDP? Multimedia, multimedia session announcement,
invitation and others. Relationship with SIP. Hands on:
Video conferencing with SIP.
SIP security
Access control, Authentication, encryption, firewalls. Hands
on: SIP authentication.
Interoperability
Inter working with PSTN, ISUP to SIP mapping, SIP and 3G,
SIP-T, SIP and SIGTRAN. SIP and H323. Hands on: SIP and
gateways.
SIP mobility
Terminal mobility, service mobility, personal mobility, Mobile
IP, SIP signalling flows in 3G.
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