A hands on course covering IP telephony with SIP. The course starts with a brief review of knowledge students should already possess including RTP and RTCP. The main focus is on SIP though, progressing from what SIP is through SIP signalling, call processing and architectures, moving onto more advanced issues including security, multimedia, and interoperability. Hands-on practicals follow each major theory session.
What is VoIP? Brief review of IP, Brief review of
telephones and voice. RTP, RTCP, mixers and
Hands on Analysing RTP packets.
Why SIP? SIP history, SIP standards, SIP
capabilities, key services, how SIP works, and a
basic SIP call.
Hands on Peer to peer SIP.
SIP sessions, SIP flows, Message structure,
INVITE, ACK, BYE, CANCEL, OPTIONS,
REGISTER. Extension methods. Response codes.
SIP call flows.
Hands on Analysing SIP packets.
UA client, UA server, Proxy servers, Redirect
servers, registrars. SIP phones, gateways,
application servers, and other products. Stateful
and stateless servers. Various call scenarios.
Hands on SIP proxies.
URLs, SIP addresses, registration, Location and
Directory servers. Address tracking.
Hands on SIP and DNS.
SIP signalling, signalling compression, Call hold,
Call forwarding, Home and away scenarios,
transfers, conferences, call control.
Hands on Analysing SIP supplementary services.
What is SDP? Multimedia, multimedia session
announcement, invitation and others. Relationship
Hands on Video conferencing with SIP.
Access control, Authentication, encryption,
Hands on SIP authentication.
Inter working with PSTN, ISUP to SIP mapping,
SIP and 3G, SIP-T, SIP and SIGTRAN. SIP and
Hands on SIP and gateways.
Terminal mobility, service mobility, personal mobility, Mobile IP, SIP signalling flows in 3G.
"Hard concepts were explained very simply."
"Excellent presentation - very good course structure."
This structured training course seeks to build upon workbook learning through the use of group exercises, dynamic discussion and individual tasks in order to deliver an engaging and interactive module that will ensure all candidates are able to transfer their new skills into the workplace.