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Table of Contents:

Definition and Overview

1. What Is H.323?

2. Interworking with Other Multimedia Networks

3. H.323 Components

4. H.323 Zone

5. Protocols Specified by H.323

6. Terminal Characteristics

7. Gateway and Gatekeeper Characteristics

8. H.225 Registration, Admission, and Status

9. H.225 Call Signaling and H.245 Control Signaling

10. Connection Procedures

Self-Test

Glossary

PDF of this tutorial

B–ISDN
broadband ISDN

CODEC
coder/decoder

EN
enterprise network

IN
intelligent network

IP
Internet protocol

IPX
Internet packet exchange

ISDN
integrated services digital network

ITU–T
International Telecommunications Union (telecommunications sector)

LAN
local-area network

MAN
metropolitan-area network

MCU
multipoint control unit

PC
personal computer

PSTN
public switched telephone network

QoS
quality of service

RAS
registration, admissions, and status

RTCP
real-time transport control protocol

RTP
real-time transport protocol

SCN
switched circuit network

SS7
signaling system 7

TCP
transport control protocol

UDP
user datagram protocol

WAN
wide-area network