J. S., Framestore CFC
B. M., London Internet Exchange
H.323 training course contents
Brief review of VoIP, IP, telephones and voice. RTP, RTCP, mixers and translators.
What is H.323?
The framework, Why H.323, history, H.323 standards and the ITU, H.323 versions 1,2,3,4, and 5, Annexes and Appendices, capabilities, services, How H.323 works, a basic call.
H.323 protocol stack
The overall framework, Audio codecs (H.7xx), Video codecs (H.26x), T.120 data conferencing.
Endpoints: Terminals, MCUs, gateways. Gatekeepers, border and peer elements, design issues, signalling with and without gatekeepers.
Packet format, ASN.1, Information elements, Call setup, Call control.
Gatekeeper features, admissions, address translation, bandwidth management, call routing, zones, administrative domains, gatekeeper discovery, call establishment, fast connect. RAS packet formats, RAS signalling. Alternate gatekeepers.
Purpose, call control channel, relationship with H.225, message format, tunnelling.
H.323 Supplementary services
Conferencing: point to point, multipoint, hybrid, broadcast, H.332. H.450.x. Call transfer, diversion, hold and waiting. Remote device control (H.282, H.283). Capability exchange, Video.
H.235. Authentication, privacy, transport layer level security.
Gateways, Inter working with PSTN, SIP and H323. H.246.
Annexes and Appendices
Why Choose Us
SNT trainers score an average of over 90% on the three main areas of:
- Ability to teach
- Technical knowledge
- Answering questions
We limit our maximum class size to 8 delegates; often we have less than this. This ensures optimal interactivity between delegates and instructor.
"Excellent course. The small class size was a great benefit…" M.B. IBM
We write our own courses; courseware does not just consist of slides and our slides are diagrams not bullet point text. A typical chapter provides clearly defined objectives with a chapter overview, slides with text underneath, a quiz at the end to check the learning of the students. Hands on exercises are at the end and are used to reinforce the theory.