Fundamentals of Voice over IP

Fundamentals of Voice over IP

A complete introduction to everything Voice over IP: you'll learn the fundamental ideas and principles of a VoIP telephone system, the jargon and buzzwords, and how it all works together.


You’ll learn:

 • How voice is carried in packets end-to-end, 

 • VoIP phones, 

 • Call Managers and Softswitches, 

 • Cloud Services, 

 • SIP and SIP Trunking, 

 • VoIP on LANs and WANs, and 

 • The Future.


VoIP Module 1

Detailed Outline

1. Fundamentals of Voice over IP

1.1 Introduction

1.2 VoIP Phones

...... 1.2.1 Computers That Look Like Telephones

...... 1.2.2 VoIP Phone Functions

...... 1.2.3 Quality of Service and Differentiated Services

...... 1.2.4 Computer as the Terminal

...... 1.2.5 VoIP over Cellular

...... 1.2.6 Summary

1.3 Voice in IP Packets

...... 1.3.1 Voice in IP Packets End-to-End

...... 1.3.2 Missing or Delayed Packets

1.4 SIP and Soft Switches / SIP Servers / Call Managers

...... 1.4.1 Introduction

...... 1.4.2 “Hard” Switch

...... 1.4.3 Soft Switch

...... 1.4.4 Functions of a Soft Switch

...... 1.4.5 Soft Switch Terminology

1.5 Media Servers

...... 1.5.1 Introduction

...... 1.5.2 Integrated Messaging Server

...... 1.5.3 Video Server

...... 1.5.4 Other Types of Media Servers

1.6 Gateways

...... 1.6.1 Introduction

...... 1.6.2 Media Conversion

...... 1.6.3 Signaling Conversion

1.7 VoIP Over LANs and WANs

...... 1.7.1 Introduction

...... 1.7.2 LANs

...... 1.7.3 WANs

1.8 Key VoIP Standards

...... 1.8.1 Introduction

...... 1.8.2 IETF Standards

...... 1.8.3 ITU-T Standards

...... 1.8.4 IEEE LAN Standards

...... 1.8.5 TIA Cable Standards

1.9 Broadband IP Dial Tone

...... 1.9.1 The IP-PSTN

...... 1.9.2 IP Dial Tone

...... 1.9.3 The Internet and the Telephone Network Become One

...... 1.9.4 Value-Added Services