Avaya IP Telephony Guía de configuración Pagina 8
- Pagina / 222
- Tabla de contenidos
- SOLUCIÓN DE PROBLEMAS
- MARCADORES
Valorado. / 5. Basado en revisión del cliente
8 Contents
P0609327 02
Appendix B
Silence compression. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Silence compression on half-duplex links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
Silence compression on full-duplex links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Comfort noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
Appendix C
Network performance utilities. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Appendix D
Interoperability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Speech path setup methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
Media path redirection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Gatekeeper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Asymmetrical media channel negotiation, Net Meeting . . . . . . . . . . . . . . . . . . . . . . . 178
No feedback busy station. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
Setting up Remote Routers for IP Telephony Prioritization . . . . . . . . . . . . . . . . . . . . 179
Creating an outbound traffic filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Sample criteria, ranges, and actions for UDP filtering . . . . . . . . . . . . . . . . . . . . . 180
Using VLAN on the network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Choosing DHCP for VLAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Specifying the site-specific options for VLAN . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
Symbol NetVision telephones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Software interoperability compatibility and constraints . . . . . . . . . . . . . . . . . . . . . . . 183
H.323 trunk compatibility by software version . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
H.323 trunk compatibility issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
SIP trunk interoperability issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
T.38 fax restrictions and requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Appendix E
Quality of Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Setting QoS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Measuring Intranet QoS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Measuring end-to-end network delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Measuring end-to-end packet loss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
Recording routes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
Adjusting Ping measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Adjustment for processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Late packets. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Measurement procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Other measurement considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Decision: does the intranet meet IP telephony QoS needs? . . . . . . . . . . . . . . . . 197
Implementing QoS in IP networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
Traffic mix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
- Business Communications 1
- Manager 3.6 1
- IP Telephony Configuration 1
- Trademarks 2
- Contents 3
- Chapter 3 4
- Chapter 4 4
- Chapter 5 5
- 10 Contents 10
- P0609327 02 10
- Before you begin 15
- Symbols used in this guide 15
- Text conventions 16
- Acronyms 17
- Related publications 18
- How to get help 19
- 20 Preface 20
- Chapter 1 21
- Introduction 21
- IP telephones and VoIP trunks 22
- Figure 1 Network diagram 24
- Telephones 25
- Gatekeepers on the network 25
- IP network 26
- Key IP telephony concepts 27
- Jitter Buffer 28
- QoS routing 29
- Chapter 2 31
- Prerequisites checklist 31
- Network devices 32
- Network assessment 33
- Resource assessment 33
- Keycodes 34
- Option Description 35
- VoIP trunks 39
- IP telephone records 40
- Installing IP telephones 41
- Choosing a codec 45
- Choosing a Jitter Buffer 46
- Before installing 46
- Using a 3-port switch 46
- Display buttons 48
- Troubleshooting IP telephones 51
- Operation issues 52
- Configuring DHCP 53
- IP telephony DHCP notes 54
- Checking IP server status 56
- Figure 7 IP Terminal status 57
- Notes about Hot Desking 62
- Customizing feature labels 63
- Moving IP telephones 69
- Figure 16 i2050 Switch type 72
- Handset and call functions 74
- Configuring NetVision records 75
- Assigning general settings 76
- Changing a handset Name 82
- Deregistering a telephone 83
- Configuring local VoIP trunks 85
- Published IP address 86
- Counting IP trunks 87
- Configuring media parameters 89
- Setting up the local gateway 91
- How to use target lines 98
- Configuring target lines 99
- Chapter 6 101
- Field Value Description 104
- 6 Click the Save button 105
- Outgoing call configuration 107
- H.323 trunks 108
- SIP trunks 108
- Keycodes: 2 108
- PSTN call to remote node 109
- Call process 110
- Describing a fallback network 113
- Adding routes for fallback 114
- Figure 35 Route XXX screen 115
- Figure 36 VoIP schedule 117
- How fallback routing works 120
- Settings for 124
- Santa Clara 124
- Connecting an i200X telephone 125
- PSTN fallback metrics 126
- Quality of Service Monitor 127
- Updating the QoS monitor data 128
- Chapter 7 129
- 3 Enter the port settings 130
- Modifying PortRanges 131
- Using a gatekeeper 133
- 8 Click Submit 140
- Gatekeeper call scenarios 141
- Faxing over VoIP lines 142
- Chapter 8 147
- WarehouseHead Office 148
- Appendix A 153
- Efficient Networking 153
- Network engineering 154
- LAN engineering examples 157
- WAN engineering 158
- Setting Non-linear processing 159
- Enough link capacity 161
- Further network analysis 162
- Components of delay 163
- Reduce link delay 163
- Reducing hop count 164
- Adjust the jitter buffer size 164
- Reduce packet errors 164
- Routing issues 165
- Appendix B 167
- Silence compression 167
- Time -> 169
- Bandwidth -> 169
- Channel/Link Max 169
- Comfort noise 172
- Appendix C 173
- Network performance utilities 173
- Appendix D 175
- Interoperability 175
- Speech path setup methods 176
- Media path redirection 177
- Gatekeeper 177
- No feedback busy station 178
- Interoperability 179 179
- 180 Interoperability 180
- Using VLAN on the network 181
- 182 Interoperability 182
- Symbol NetVision telephones 183
- 184 Interoperability 184
- Interoperability 185 185
- 186 Interoperability 186
- Interoperability 187 187
- 188 Interoperability 188
- Interoperability 189 189
- 190 Interoperability 190
- Appendix E 191
- Quality of Service 191
- 192 Quality of Service 192
- Measuring Intranet QoS 193
- Recording routes 194
- Adjusting Ping measurements 195
- Measurement procedure 196
- Quality of Service 197 197
- Traffic mix 198
- TCP traffic behavior 199
- Network Quality of Service 200
- Quality of Service parameters 201
- Fallback to PSTN 201
- 202 Quality of Service 202
- Glossary 203
- 204 Glossary 204
- Glossary 205 205
- 206 Glossary 206
- Glossary 207 207
- 208 Glossary 208
- Glossary 209 209
- 210 Glossary 210
- 222 Index 222
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