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Avia Tablet Accessory Avaya Custom Edition Manual do Utilizador (74 páginas)

Marca: Avia | Categoria: Gateways/controladores | Tamanho: 1.40 MB |

Inglês

Índice

Communications

1

Publisher’s Acknowledgments

4

Contents at a Glance

5

Foreword

6

About This Book

9

Foolish Assumptions

9

How This Book Is Organized

9

Introduction

10

Icons Used in This Book

11

Where to Go from Here

11

The Case for SIP

12

What Is SIP?

13

Presenting Presence Services

14

Celebrating User-Centric

14

SIP guide

15

Encouraging Interoperability

16

Simplifying Communications

17

Architecture

17

Part 1: The Case for SIP

18

SIP at a Glance

20

Based on Existing Internet

21

Standards

21

Getting Down to One Address

21

SIP “business cards”

22

A SIMPLE Presence Solution

24

Components in a SIP Network

24

Using user agents

25

Serving up SIP servers

26

Basic SIP Operations

28

How SIP Transforms User

30

Using Presence to Route

32

One Protocol, Many Modes of

34

Communication

34

Making the Most of

36

User Preference

36

Catering to the Mobile

37

User with SIP

37

How SIP Transforms

40

Enterprise Communications

40

Working Together: SIP and

41

Trunking with SIP

41

Traditional network model

42

A simplified communications

44

Connecting SIP Enterprises

45

Mapping Phone Numbers

47

ENUM alternatives

48

SIP Interoperability

50

External from the Enterprise

51

SIP Interoperability Efforts

51

Part 5: SIP Interoperability

52

Multi-Vendor Integration

53

SIP and Server-Free

56

Peer-to-Peer SIP

57

Communications Overview

57

Reaping the Benefits

59

SIP and the Future of

62

Intelligent Communications

62

Integration with Business

63

Applications

63

Seamless Use of Multiple

64

Presence-PBX Integration

64

Further Optimization

65

Communication Systems

65

That Learn

65

Location-Based Services

66

Ensuring Privacy

66

The Internet Multimedia

67

Subsystem

67

Top Ten Reasons for SIP

68

Enhanced Communications

68

Preference-Based

69

An Open Standard

69

Interoperability

69

Unified Addressing

70

Operational Cost Savings

70

Simplified Communications

70

Creation of New Services

71

Native Mobility

71

Ease of Implementation and

71

INTERNET & DIGITAL MEDIA

72

CS For Dummies

73

CS Timesaving

73

Avia dispositivos

Gateways/controladores