Avaya IP Telephony Konfigurationsanleitung Seite 137
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IP Telephony Configuration Guide
137
Index
Numbers
3-port switch
IP telephones 35
relocating IP telephones 47
A
absorbed length 73
access code
line pool 63
network example 78
Unified Manager programming 64
acronyms 14
active calls, deregistering disruption 45
Address Range, IP telephones 41
a-law 121
alias names 89
assessment
network 26
resources, prerequisite 27
asymmetrical
media channel negotiation 121
routing 111
Asyncronous Transfer Mode (ATM) 100
B
background noise 116
bandwidth
available for other data 116
characteristics 100
determining requirements 99
full duplex links 102
half duplex link, silence suppression 102
half duplex links 101
peak 101
silence compression 113
spare bandwidth 100
before you start
IP telephony and network prerequisites 25
NetVision 53
bottlenecks 108
bridges, network prerequisites 25
buffer, jitter 34
buffers, VoIP trunks 62
Business Communications Manager
alias names 89
call chain network configuration 97
connecting to remote IP telephones 97
gateway/router support 130
H.323 gateway specifications 119
MCDN system requirements 94
network device prerequisites 25
networking multi-locations, with call center 96
networking multiple systems 95
port settings 86
signaling method 89
system configuration prerequisites 28
using a gatekeeper 88
using firewalls 87
busy tone, VoIP gateway progress tones 121
C
call center, networking multi-locations 96
call chain network configuration 97
call progress tones 121
call signaling, modifying 90
calls
gatekeeper examples 91
incoming configuration 76
making 82
media path redirection 120
capacity
engineering link capacity 107
insufficient 107
Caution symbol 13
CDP
network dialing plan 79
private network MCDN 94
changes to the intranet 111
checklist 25
clients, media resources, voice mail, media resources,
WA N
media resources 27
codecs
defined 22
first preferred codec 120
for IP telephones 33
handling on network 100
types, bandwidth 100
Unified Manager settings 43
VoIP trunks 60
comfort noise 116
- 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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