Avaya IP Telephony manuali

Avaya IP Telephony Guida di Configurazione (146 pagine)

Marchio: Avaya | Categoria: Gateway/Controller | Dimensione: 3.55 MB |

Inglese

Indice

Business Communications

1

Manager 2.5

1

IP Telephony Configuration

1

Trademarks

2

Contents

3

Chapter 4

4

Chapter 5

5

Chapter 6

6

Appendix A

6

12 Tables

12

Before you begin

13

Symbols used in this guide

13

Text conventions

14

Acronyms

14

Related publications

15

How to get help

16

Chapter 1

17

Introduction

17

IP telephones and VoIP trunks

18

Figure 1 Network diagram

19

Telephones

20

IP network

21

Key IP telephony concepts

22

Jitter Buffer

23

QoS routing

23

Chapter 2

25

Prerequisites checklist

25

Network assessment

26

Resource assessment

27

Keycodes

27

Defining published IP address

28

IP telephones

30

NetVision wireless telephones

30

Chapter 3

31

Installing IP telephones

31

Choosing a codec

33

Choosing a Jitter Buffer

34

Before installing

34

Using a 3-port switch

35

NORTEL NETWORKS

36

Manual Cfg DHCP(0 no, 1 yes)

36

Field Value Description

37

Slow connection

40

One-way or no speech paths

40

Dropped voice packets

40

Changing the contrast level

40

Configuring DHCP

41

Figure 5 IP Terminal status

42

Figure 6 Configuration menu

42

Figure 8 Configuration menu

44

Download Pending

44

Customizing feature labels

46

Moving IP telephones

47

Keep DN alive

48

Figure 12 i2050 Switch type

49

7 Click on the BCM option

50

Configuring NetVision records

52

/symbol.com>

53

<http:/

53

Testing the handset functions

55

Changing a handset Name

57

Configuring VoIP trunks

59

Configuring media parameters

60

Setting silence compression

61

Setting jitter buffers

62

Outgoing call configuration

63

Figure 18 Trunk/Line data

64

Configuring a remote gateway

66

Configuring PSTN fallback

68

Enabling PSTN fallback

69

Setting up the VoIP schedule

69

Configuring routes

70

Figure 26 VoIP schedule

73

Activating the VoIP schedule

74

Turning on QoS monitor

75

Incoming call configuration

76

Example configuration

78

Making calls

82

Connecting an i200X telephone

83

Quality of Service Monitor

86

Port settings

86

Using firewalls

87

Using a gatekeeper

88

The call signaling method

89

Gatekeeper call scenarios

91

Typical applications

93

Setting up the system

95

Efficient Networking

99

Network engineering

100

LAN engineering examples

103

WAN engineering

104

Setting Non-linear processing

105

(8 kb/s)

106

P0937663 03.1

106

Traceroute

106

Enough link capacity

107

Not enough link capacity

107

Further network analysis

108

Reduce link delay

109

Reducing hop count

109

Adjust the jitter buffer size

110

Reduce packet errors

110

Routing issues

111

Appendix B

113

Silence compression

113

Comfort noise

116

Appendix C

117

Network performance utilities

117

Appendix D

119

Interoperability

119

Speech path setup methods

120

Media path redirection

120

Gatekeeper

120

Symbol NetVision telephones

121

122 Interoperability

122

Appendix E

123

Quality of Service

123

Measuring Intranet QoS

124

Recording routes

125

Adjusting Ping measurements

126

Measurement procedure

127

128 Quality of Service

128

Traffic mix

129

TCP traffic behavior

129

Network Quality of Service

130

Quality of Service parameters

131

Fallback to PSTN

132

Glossary

133

134 Glossary

134

Glossary 135

135

136 Glossary

136

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