Avaya BCM 2.5 IP Telephony Guida di Configurazione Scaricare il pdf (Pagina 25)

Chapter 1 Introduction 25

IP Telephony Configuration Guide

The Business Communications Manager system does QOS routing, but if one or more routers

along the network route do not support QOS routing, this can impact voice quality. Business

Communications Manager system QoS can also be configured so that the system reverts to a

circuit-switched line if a suitable QoS cannot be guaranteed.

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 127 128

Business Communications 1
Manager 2.5 1
IP Telephony Configuration 1
Trademarks 2
Contents 3
Chapter 4 4
Chapter 5 5
Appendix A 5
Before you begin 13
Symbols used in this guide 14
Text conventions 14
Acronyms 15
UDP User Datagram Protocol 16
WAN Wide Area Network 16
Related publications 17
How to get help 18
Chapter 1 19
Introduction 19
The IP telephony network 20
Chapter 1 Introduction 21 21
Figure 1 Network diagram 21
Telephones 22
IP Network 22
Key IP Telephony Concepts 23
Jitter Buffer 24
QoS routing 24
Chapter 1 Introduction 25 25
26 Chapter 1 Introduction 26
Chapter 2 27
Prerequisites checklist 27
Network assessment 28
Resource Assessment 28
Keycodes 29
IP Telephones 30
Chapter 3 31
Installing IP Telephones 31
Choosing a codec 33
Choosing a Jitter Buffer 33
Before Installing 34
Manual Cfg DHCP(0 no, 1 yes) 35
Configuring DHCP 38
Figure 4 DHCP summary 39
Figure 5 DHCP range 40
Figure 6 IP Terminal status 41
Figure 7 Configuration menu 42
Figure 9 IP Terminal Status 43
Download Pending 44
Deregistering offline DNs 45
Moving IP telephones 46
H.323 devices 47
4 Click the Save button 49
VoIP Trunk Configuration 51
Configuring media parameters 53
Configuring codecs 54
Setting Silence Compression 54
Setting Jitter Buffers 55
Outgoing call configuration 56
Figure 21 Trunk/Line data 57
Figure 22 Line pool 58
Configuring a remote gateway 59
Configuring PSTN fallback 60
Setting up a VoIP schedule 61
Vo I P 62
Configuring routes 63
Figure 28 Route list 64
Figure 29 Add route dialog 64
Creating a destination code 65
Figure 32 Normal schedule 66
Configuring digits 67
Activating the VoIP schedule 67
Turning on QoS monitor 68
Incoming call configuration 70
Example configuration 71
Making calls 74
Connecting an i200X telephone 75
Quality of Service Monitor 77
Port settings 77
Using firewalls 78
Using a gatekeeper 80
Gatekeeper call scenarios 82
Typical applications 85
MCDN functionality 86
Networking 91
Network Engineering 92
Networking 93 93
(64 kb/s) 93
(5.3 kb/s) 93
LAN Engineering Examples 95
WAN engineering 96
Setting Non-linear processing 96
Networking 97 97
Traceroute 97
Enough link capacity 98
Not enough link capacity 98
Implementing the network 99
Further network analysis 99
Reduce link delay 100
Reducing hop count 100
Adjust the jitter buffer size 101
Reduce packet errors 101
Routing issues 102
Silence compression 103
Appendix B 103
104 Silence compression 104
P0937663 02.0 104
Silence compression 105 105
106 Silence compression 106
Silence compression 107 107
Comfort Noise 108
Appendix C 109
Network Performance Utilities 109
Appendix D 111
Interoperability 111
Speech Path Setup Methods 112
Media Path Redirection 112
Gatekeeper 113
Symbol Telephones 114
Appendix E 115
Quality of Service 115
Measuring Intranet QoS 116
Recording routes 117
Adjustment for processing 118
Late packets 118
Quality of Service 119 119
Traffic mix 120
Network Quality of Service 121
Packet loss 122
Packet delay 122
Delay variation (jitter) 123
124 Quality of Service 124
Glossary 125
126 Glossary 126

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Avaya BCM 2.5 IP Telephony Guida di Configurazione Pagina 25

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