Cisco ISDN GW 3241 Bedienungsanleitung PDF herunterladen (Seite 13)

Video conferencing today

Session Initiation Protocol (SIP) is a newer protocol, and an alternative to H.323. It is a simple signaling

protocol for Internet conferencing and telephony. SIP messages have a text format similar to HTTP, making

it more suited to Internet applications and easier to implement in software. However, it is not yet as

popular as H.323.

A number of networking and telephony standards can be involved: for example, ISDN, LAN, WAN,

Internet, ADSL (Asynchronous Digital Subscriber Lines) and VPN (Virtual Private Networks) are the

popular transport media used in desktop video conferencing.

Where necessary, these protocols are discussed in more detail later in the guide.

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 82 83

Codian Video Conferencing 1
The Americas 2
Asia Pacific Region 2
Table of contents 3
Chapter 1 Introduction 7
Using this document 8
Chapters in this guide 9
Introduction 10
H.323 protocol 11
Video conferencing today 13
MCU 4200 series 15
Video ports 16
Additional voice 16
Concurrent streaming ports 16
IP VCR 2200 series 17
Gateway 3200 Series 18
Simple scenarios 20
IP network 21
Sharing data with the IP VCR 23
ISDN/PSTN 26
Chapter 5 First steps 31
The guest user 32
Port reservation (MCU only) 33
Auto attendants on the MCU 34
Auto attendants on the IP VCR 35
Localized MCU units 36
Communicating with the unit 36
First steps 38
Chapter 6 MCU administration 39
MCU administration 40
Conference PINs 42
Conference ownership 42
Content channel support 42
Enabling the MCU for H.239 43
Configuring endpoints 43
Setting up a H.323 gateway 43
Cascading MCUs 44
Load balancing MCUs 44
Making recordings 47
Enabling the IP VCR for H.239 48
Summary information icon 49
Transferring recordings 49
Displaying IP VCR statistics 50
Installing the ISDN gateway 51
Basic call routing 52
Advanced call routing 52
Setting up a gatekeeper 53
Monitoring calls 54
Chapter 9 Using data 55
H.239 contribution from 56
Using data 57
Configuring streaming 59
Content channel streaming 60
Web conferencing option 61
Customizing streaming 62
Chapter 11 Using a gatekeeper 63
Conference Creation 64
(MCU and IP VCR) 65
Using a gatekeeper 66
Chapter 12 Using firewalls 67
Company LAN 68
Internet 68
Using firewalls 69
Field Example setting 70
Setting the system time 75
Upgrading software versions 76
Shutting down a unit 77
General housekeeping 78

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