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Voice over Packet
Transporting voice, fax and video over a packet network.
Encoding media streams.
H.323.
Introduction.
H.323 step by step.
Optimising and enhancing H.323.
Conferencing with H.323.
Directories and numbering.
H.323 Security.
Supplementary services.
Future work on H.323.
3. SIP.
The origin and purpose of SIP.
From RFC 2543 to RFC 3261.
Overview of a simple SIP call.
Call handling services with SIP.
Instant messaging and presence.
SIP security.
SIP and H.323.
4. MGCP.
Introduction: why MGCP?
MGCP 1.0.
3. Sample MGCP call flows.
4. The future of MGCP 63.
5. Practical Deployment Issues.
Call redirection in VOIP networks
Introduction to Network address translation.
Workarounds for VOIP when the Network cannot be controlled.
Recommended Network design for service providers.