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IP Office Product Description
IP Office 4.2
© 2008 AVAYA All rights reserved.
Page 135
Issue 18.b.- (08 July 2008)
Bandwidth Required For Each Voice Call?
The bandwidth used varies depending on the compression method chosen. IP Office supports a wide range of
compression standards, including the most popular G.723.1 and G.729a. These will occupy approximately 10K
and 13K of bandwidth respectively.
Use the following chart to choose the most appropriate compression algorithm for your available bandwidth.
Audio Codec
RTP Voice
Data Payload
Packets
per
Second
LAN
(bps)
% Overhead
LAN
WAN
(bps)
% Overhead
WAN
Algorithmi
c Delay
(milli-
seconds)
G.723.1
24 Bytes
33.33
20,800
225%
9,867
54%
80
G.729a
20 Bytes
50
29,600
270%
13,200
65%
40
G.711 (64K)
160 Bytes
50
85,600
34%
69,200
8%
20
Acceptable Delay?
End-to-end delay should be 150 milliseconds or below.
How Many Simultaneous Calls Can I Get Down My Link?
The following chart illustrates the theoretical maximum number of simultaneous voice calls that can be
delivered over a WAN for a given link speed. This does not take into account any bandwidth that may be
required for data traffic between sites or the physical limit of VoIP calls for the specific version of IP Office in
use.
The number of simultaneous voice calls can be in excess of the capabilities of the individual platform, where
the calls transit the switch as data traffic. In this situation compression resources are not used but obviously
must be catered for in the overall bandwidth provision.
Compression
G.723.1 (6K3)
G.729a (8K)
G.711 (64K)
Algorithmic Delay
(seconds)
0.08
0.04
0.02
Number of Calls
- 64Kbps Link
6
4
0
- 128Kbps Link
12
9
1
- 256Kbps Link
25
19
3
- 512Kbps Link
51
38
7
- 1Mbps Link
103
77
14
- 2Mbps Link
207
155
29
- IP Office 4.2 1
- Contents 3
- Chapter 1 5
- Introduction 5
- 1. Introduction 6
- Mobile Call Control 11
- Static NAT 12
- SMDR Output from IP Office 14
- Management Tools 21
- Scalable Platform 21
- Telephone Options 22
- Chapter 2 23
- IP Office Platform 23
- 2. IP Office Platform 24
- IP Office 500 Control Unit 25
- IP500 Cards 27
- IP500 Trunk Cards 30
- IP Office IP412 Control Unit 32
- IP400 Trunk Interface Cards 34
- Internal Daughter Cards 36
- External Expansion Modules 37
- IP500 Phone Expansion Module 38
- IP500 Analog Trunk 16 Module 39
- IP500 BRI So8 Module 39
- IP500 Digital Station Module 40
- IP400 Phone Module 41
- IP400 Analog Trunk 16 Module 43
- Chapter 3 45
- Telephones 45
- 3. Telephones 46
- 4601 Telephone 55
- T3 Telephone Range 63
- T3 Compact 64
- T3 Classic 65
- T3 Comfort 66
- T3 DSS Expansion Modules 67
- Wireless - Avaya IP DECT 69
- Wireless - WiFi (802.11) 72
- 3616 Wireless Telephone 75
- 3701 IP DECT 80
- 3711 IP DECT 81
- VPN Phone Software 84
- Other Ranges 85
- 4412D Telephone 86
- 4424D Telephone 87
- DSS4450 Unit 88
- Analog Telephones 89
- Headsets 96
- Chapter 4 98
- Features 98
- 4. Features 99
- Basic Call Handling 100
- Hold Call Waiting 101
- Hold Music (Music on Hold) 101
- Automatic Callback 101
- Transfer 102
- Personalized Ringing 102
- Message Waiting Indication 102
- Visual Voice 103
- Advanced Call Handling 104
- Call Tagging 105
- Reclaim Call 105
- Hunt Group Enable/Disable 105
- Call Waiting 106
- Do Not Disturb (DND) 106
- Dial Plan 106
- Inclusion 107
- Private Call 107
- Hot Desking 107
- Remote Hot Desking 107
- Relay On/Off/Pulse 108
- Call Recording 108
- Telecommuter Mode 108
- Twinning and Mobility 109
- IP Office Product Description 110
- Page 110 110
- Issue 18.b.- (08 July 2008) 110
- Key and Lamp Operation 111
- Call Appearance Buttons 112
- Bridged Appearance Buttons 112
- Call Coverage 112
- Account Codes 113
- Authorization Codes 113
- Dial Emergency 113
- Call Barring 114
- Maximum Call Length 114
- PIN Restricted Calling 114
- Forwarding 115
- Follow Me 116
- Avaya Digital and IP Phones 117
- Language 118
- Directory 118
- Self-Administration 118
- On Hook Dialing 118
- Inbound Call Handling 119
- Hunt Groups 120
- Night Service 121
- Time Profiles 121
- Announcements 121
- Contact Center Features 122
- Queue Threshold Alert 123
- Miscellaneous Features 124
- System Short Codes 125
- Page 126 126
- Chapter 5 127
- IP Telephony 127
- 5. IP Telephony 128
- Page 129 129
- Page 130 130
- IP Telephony Features 131
- VoIP FAQ 134
- Acceptable Delay? 135
- Network Assessment 136
- IP Packet Flow Control 137
- VoIP Standards Supported 137
- Page 138 138
- Chapter 6 139
- Public and Private Voice 139
- Networks 139
- Page 140 140
- Page 141 141
- Public Voice Networking 142
- Page 143 143
- Page 144 144
- Page 145 145
- Page 146 146
- Page 147 147
- Page 148 148
- Packet Based Voice Networking 149
- Page 150 150
- Page 151 151
- Small Community Networking 152
- Page 154 154
- Page 155 155
- Page 156 156
- Common Networking Features 157
- Network Numbering Schemes 158
- Page 159 159
- Chapter 7 160
- Data Networking Services 160
- 7. Data Networking Services 161
- Internet Access 162
- Remote Access Features 163
- LAN to LAN Routing 163
- Data Networking Features 164
- Frame Relay 165
- Service Quotas 165
- Point-to-Point Protocol (PPP) 165
- Page 166 166
- Auto Connect 167
- Firewall 167
- Remote Access Server (RAS) 168
- VPN: IPSec Tunneling 169
- Page 170 170
- Chapter 8 171
- Phone Manager 171
- 8. Phone Manager 172
- Phone Manager Lite 173
- Page 174 174
- Page 175 175
- Phone Manager Pro 176
- Page 177 177
- Page 178 178
- Page 179 179
- Phone Manager Feature Summary 180
- Phone Manager PC Requirements 181
- Page 182 182
- Chapter 9 183
- SoftConsole 183
- 9. SoftConsole 184
- Page 185 185
- Page 186 186
- Page 187 187
- Page 188 188
- SoftConsole Options 189
- SoftConsole Administration 190
- SoftConsole PC Requirements 190
- Page 191 191
- Chapter 10 192
- Computer Telephony 192
- Integration 192
- Page 193 193
- CTI with IP Office 194
- Support for Developers 195
- Chapter 11 196
- Voicemail 196
- 11. Voicemail 197
- Voicemail Lite 198
- Embedded Voicemail 199
- Voicemail Pro 200
- Page 201 201
- Page 202 202
- Fax Messages 205
- Page 206 206
- Networked Messaging 207
- Auto Attendant 208
- Page 209 209
- Visual Basic (VB) Scripting 210
- Personal Numbering 211
- Extended Personal Greetings 212
- Hunt Group Broadcast Messages 213
- Personal Distribution Lists 213
- Cascaded Out-Calling 214
- Campaign Manager 215
- IP Office ContactStore 217
- Page 218 218
- Voicemail Feature Comparison 219
- Page 220 220
- Page 221 221
- Page 222 222
- PC Requirements 223
- Page 224 224
- Page 225 225
- Page 226 226
- Chapter 12 227
- Audio Conferencing 227
- 12. Audio Conferencing 228
- Page 229 229
- Page 230 230
- Page 231 231
- Conferencing Center 232
- Page 233 233
- Page 234 234
- Page 235 235
- Page 237 237
- Page 238 238
- Page 239 239
- Chapter 13 240
- The Contact Center 240
- 13. The Contact Center 241
- SBCC Key Features 242
- SBCC Business Benefits 242
- SBCC Sales Order Codes 243
- Page 244 244
- SBCC Historical Reporting 245
- Page 246 246
- SBCC Real Time Reporting 248
- Page 249 249
- SBCC Call Statistics 250
- Compact Contact Center 251
- Page 252 252
- Page 253 253
- Page 254 254
- Page 255 255
- Page 256 256
- Wallboard Server/Client 257
- Queuing Announcements 258
- Chapter 14 259
- CRM Integration 259
- 14. CRM Integration 260
- Inbound Call Operation 261
- Outbound Call Operation 262
- Page 263 263
- Chapter 15 264
- Management Utilities 264
- 15. Management Utilities 265
- IP Office Manager 266
- Page 267 267
- Page 268 268
- Page 269 269
- Page 270 270
- Page 271 271
- Page 272 272
- System Status Application 273
- Page 274 274
- Page 275 275
- Chapter 16 276
- Configurations 276
- 16. Configurations 277
- Page 278 278
- Page 279 279
- Page 280 280
- Country Availability 281
- Sample Configurations 282
- Page 283 283
- Page 284 284
- Chapter 17 285
- TAPI Functions Supported 285
- TAPI 2.1 Functions Supported 286
- TAPI 3.0 functions supported 286
- Device-Specific Data 287
- DevLink Fields 288
- Page 289 289
- Chapter 18 290
- Technical Specifications 290
- 18. Technical Specifications 291
- Page 293 293
- Interfaces 294
- Protocols 295
- Page 296 296
- Page 297 297
- Chapter 19 298
- Appendix 298
- 19. Appendix 299
- Page 300 300
- Page 301 301
- IP400 WAN3 10/100 302
- IP400 So8 Expansion Module 302
- Small Office Edition 303
- Page 304 304
- Page 305 305
- Page 306 306
- Page 309 309
- Page 336 336
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