VoIP Howto
Roberto Arcomano berto@fatamorgana.com
v1.7, August 7, 2002Voice Over IP is a new communication means that let you telephone with Internet at almost null cost. How this is possible, what systems are used, what is the standard, all that is covered by this Howto. Web site http://www.fatamorgana.com/bertolinux contains latest version of this document.
1. Introduction
2. Background
3. Overview
- 3.1 What is VoIP?
- 3.2 How does it work?
- 3.3 What is the advantages using VoIP rather PSTN?
- 3.4 Then, why everybody doesn't use it yet?
4. Technical info about VoIP
- 4.1 Overview on a VoIP connection
- 4.2 Analog to Digital Conversion
- 4.3 Compression Algorithms
- 4.4 RTP Real Time Transport Protocol
- 4.5 RSVP
- 4.6 Quality of Service (QoS)
- 4.7 H323 Signaling Protocol
5. Requirement
- 5.1 Hardware requirement
- 5.2 Hardware accelerating cards
- 5.3 Hardware gateway cards
- 5.4 Software requirement
- 5.5 Gateway software
- 5.6 Gatekeeper software
- 5.7 Other software
6. Cards setup
7. Setup
- 7.1 Simple communication: IP to IP
- 7.2 Using names
- 7.3 Internet calling using a WINS server
- 7.4 ILS server
- 7.5 A big problem: the masquering.
- 7.6 Open Source applications
- 7.7 Setting up a gatekeeper
- 7.8 Setting up a gateway
- 7.9 Compatibility Matrix
8. Communications using PSTN line
9. Bandwidth consideration
10. Glossary
11. Useful links
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