Avaya IP Line Bedienungsanleitung Seite 288
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Page 288 of 910 Codecs
553-3001-365 Standard 4.00 August 2005
For instance, an IP Phone-to-IP Phone call in the same zone within a LAN can
be set up using G.711 at 64 Kbps. For an IP Phone-to-IP Phone call over a
WAN, the call can be set up using G.729A or G.729AB at 8 Kbps. These data
rates and the Voice Gateway Channel Server on the Voice Gateway Media
Card are for the voice stream only. Packet overhead is not included.
Pre-defined codec table
The Line Terminal Proxy Server (LTPS) and the Voice Gateway Channel
Server on the Voice Gateway Media Card have a pre-defined table of codec
option sets that can be supported.
The first entry in the table has the highest quality audio (BQ = Best Quality)
and requires the largest amount of bandwidth. The last entry requires the least
amount of bandwidth (BB = Best Bandwidth) with lower voice quality.
When the Call Server sets up a Call Server connection between an IP
Phone-to-IP Phone or IP Phone-to-Voice Gateway Channel Server, the
pre-defined table determines which codec it selects for that connection. This
information is provided to the system as part of the IP Phone registration
sequence.
For more information about the registration sequence, refer to “Configuring
the DHCP Server” in Converging the Data Network with VoIP
(553-3001-160).
Codec selection
The systems use this information to set up a speech path and select a codec
that both endpoints support. As part of zone management, the system further
selects the codec based on whether it is trying to optimize quality (BQ) or
bandwidth usage (BB).
CAUTION
When voice compression codecs are used, voice quality
is impaired if end-to-end calls include multiple
compressions.
- Title page 1
- Revision history 3
- Page 6 of 910 Contents 6
- Contents Page 7 of 910 7
- Page 8 of 910 Contents 8
- Contents Page 9 of 910 9
- Page 10 of 910 Contents 10
- Contents Page 11 of 910 11
- Page 12 of 910 Contents 12
- List of procedures 13
- Procedure 129 24
- Procedure 130 24
- About this document 25
- Applicable systems 26
- Conventions 27
- Related information 28
- Description 31
- Interworking 33
- CS 1000M 34
- Branch Media Gateway 34
- System requirements 35
- System configurations 36
- Software delivery 38
- Required packages 39
- Voice Gateway Media Cards 43
- Capacity 46
- Description Page 47 of 910 47
- Figure 2 47
- Media Card faceplate 47
- Page 50 of 910 Description 50
- Figure 3 50
- ITG-P 24-port card faceplate 50
- Page 54 of 910 Description 54
- Description Page 55 of 910 55
- Figure 4 55
- Page 56 of 910 Description 56
- IP Phone registration 57
- Virtual Terminal Manager 58
- Interactions with IP Phones 58
- Signaling and messaging 60
- Signaling protocols 60
- ELAN TCP transport 61
- Page 62 of 910 Description 62
- Virtual TNs 63
- Licenses 64
- License limits 65
- Command Line Interface 68
- Overlays 68
- Features 69
- Page 70 of 910 Features 70
- Features Page 71 of 910 71
- * introduced in IP Line 4.5 73
- Page 76 of 910 Features 76
- Features Page 77 of 910 77
- Minimum requirements 78
- ACF mode 78
- ACF scenarios 79
- Firmware downloads 86
- WLAN Handsets 2210/2211/2212 86
- Page 88 of 910 Features 88
- Features Page 89 of 910 89
- Features Page 91 of 910 91
- Page 92 of 910 Features 92
- Features Page 93 of 910 93
- Page 94 of 910 Features 94
- Features Page 95 of 910 95
- Page 96 of 910 Features 96
- Features Page 97 of 910 97
- Status definitions 99
- LD 32 STAT command 100
- LD 80 TRAC command 101
- Page 102 of 910 Features 102
- Figure 6 102
- LD 80 TRAC with ACF example 102
- LD 117 STIP ACF command 103
- Figure 7 104
- Page 104 of 910 Features 104
- Features Page 105 of 910 105
- Figure 8 105
- Page 106 of 910 Features 106
- Figure 9 106
- Features Page 107 of 910 107
- Figure 10 107
- Page 108 of 910 Features 108
- Operating parameters 109
- Feature interactions 110
- System view 111
- Download maximums 114
- Maintenance Mode 116
- Features Page 117 of 910 117
- Call Server commands 119
- Page 120 of 910 Features 120
- Features Page 121 of 910 121
- Page 122 of 910 Features 122
- Features Page 123 of 910 123
- LTPS CLI commands 126
- Features Page 131 of 910 131
- Element Manager 132
- Procedure 3 140
- Page 142 of 910 Features 142
- Figure 20 142
- Ethernet Diagnostics window 142
- Features Page 143 of 910 143
- Figure 21 143
- Select by Functionality list 143
- End of Procedure 143
- Page 144 of 910 Features 144
- Figure 22 144
- ECNT commands 144
- RST commands 145
- Page 146 of 910 Features 146
- Figure 24 146
- IP Cloud 151
- Page 152 of 910 Features 152
- CLI commands 153
- Page 154 of 910 Features 154
- Figure 29 154
- Features Page 155 of 910 155
- Figure 30 155
- Page 156 of 910 Features 156
- Figure 31 156
- Features Page 157 of 910 157
- Figure 32 157
- Page 158 of 910 Features 158
- Figure 33 158
- NAT Traversal feature 159
- Echo Servers 160
- Features Page 161 of 910 161
- NAT Mapping Keep Alive 163
- Mute and Hold considerations 164
- NAT and VLANs 166
- Features Page 167 of 910 167
- Figure 35 167
- Page 168 of 910 Features 168
- Features Page 169 of 910 169
- Figure 36 169
- NAT configuration 169
- Features Page 173 of 910 173
- Features Page 175 of 910 175
- Page 176 of 910 Features 176
- Features Page 177 of 910 177
- Figure 38 177
- Page 178 of 910 Features 178
- Features Page 179 of 910 179
- Page 180 of 910 Features 180
- Figure 39 180
- Features Page 181 of 910 181
- Figure 40 181
- Page 182 of 910 Features 182
- Figure 41 182
- IP Call Recording 183
- Enhanced IP Call Recording 184
- Features Page 185 of 910 185
- Identifying the IP Phone 187
- Administration 189
- Page 192 of 910 Features 192
- Example 2: 195
- Example 3: 195
- LD 117 STAT SERV 197
- Application information 198
- IP Phone support 202
- Features Page 203 of 910 203
- Corporate Directory 211
- Element Manager support 212
- BOOTP and CONFIG.INI 213
- Call Statistics collection 214
- Private Zone configuration 225
- Shared Zone 226
- Private Zone 226
- Page 228 of 910 Features 228
- Table 47 228
- Intrazone Interzone 228
- Page 230 of 910 Features 230
- Network wide Virtual Office 231
- Features Page 235 of 910 235
- 802.1Q support 236
- Features Page 237 of 910 237
- Features Page 239 of 910 239
- Data Path Capture tool 240
- IP Phone firmware 240
- Features Page 241 of 910 241
- Meridian 1 242
- CS 1000 systems 243
- Page 244 of 910 Features 244
- Graceful Disable 245
- Operation of the LTPS DISI 246
- Hardware watchdog timer 248
- Page 250 of 910 Features 250
- Features Page 251 of 910 251
- Page 252 of 910 Features 252
- Redial List 253
- Introduction 254
- Virtual Office 255
- Media Gateway 1000B 256
- Personal Directory 257
- Callers List 257
- Call log options 258
- Figure 44 262
- Signaling Server 264
- Full database recovery 269
- Call Server configuration 276
- Password administration 277
- Password guessing protection 278
- User profile management 279
- Procedure 12 on page 283 282
- Contents 287
- Pre-defined codec table 288
- Codec selection 288
- Codec configuration 290
- Codecs Page 291 of 910 291
- Figure 59 291
- Codec list in Element Manager 291
- Codec registration 292
- Codec registration for DSPs 293
- Page 294 of 910 Codecs 294
- Example 1 294
- Codecs Page 295 of 910 295
- Example 2 295
- Codec negotiation 296
- Codec sorting 297
- Page 300 of 910 Codecs 300
- Codecs Page 301 of 910 301
- Before you begin 303
- Installation summary 304
- IP Telephony node 309
- Equipment considerations 311
- Optional equipment 312
- Summary of installation steps 313
- 8-port and 32-port line cards 317
- Figure 64 322
- Lock card into place 322
- Figure 65 323
- Install the Media Card 324
- 100BaseT connections 326
- System I/O Panel 327
- by replacing 328
- CS 1000S systems 330
- Figure 67 331
- Figure 68 334
- EMC Kit Deployment 335
- Summary of procedures 336
- Manager instead of LD 117 340
- Procedure 22: 340
- Figure 76 347
- Delete VGW channels window 347
- Configure the IP Phone KEM 353
- Once entered, the KEY 356
- IP Phone dedicated soft keys 358
- Node election rules 359
- Launch Element Manager 366
- Manager 370
- Figure 84 372
- Recommendation 381
- Operation 381
- Configure Quality of Service 385
- Configure file server access 392
- Configure loss and level plan 394
- Voice Gateway Media Card 395
- Transmit node properties 405
- Configure the Follower cards 411
- Figure 111 418
- Configure file server 418
- Figure 113 421
- Server CD Image file 425
- Card(s) 433
- Upgrade the IP Phone firmware 437
- SNMP traps 448
- Figure 137 452
- Procedure 49 456
- Media Card 469
- Figure 148 470
- New Node – Configuration tab 470
- Configure DSP profile data 472
- Call Server 481
- Figure 157 488
- Configure QoS 493
- Configure SNTP 495
- Set the Leader 0 IP address 497
- Procedure 62 499
- CAUTION 499
- Upgrade options 511
- Figure 170 526
- Open dialog box 526
- IP Line 4.5 administration 531
- Password security 538
- Node password synchronization 541
- IP Phone Installer Password 543
- Figure 172 546
- Figure 173 547
- Figure 174 549
- Figure 175 550
- IP configuration commands 559
- Display the number of DSPs 561
- Packet loss monitor 566
- Transfer files using the CLI 567
- IP Line administration using 571
- View IP Line log files 580
- Figure 181 583
- Syslog file output example 583
- Backup and restore data 584
- Restore the backed up files 587
- Figure 186 589
- Node Configuration window 589
- Procedure 77 591
- Procedure 78 602
- CAUTION WITH ESDS DEVICES 603
- Update other node properties 620
- Virtual Terminal 620
- Figure 211 627
- Output of Print VGW Channels 627
- OTM administration procedures 636
- Viewing the IP Line log files 649
- Back up and restore OTM data 650
- Procedure 93 651
- Procedure 94 658
- Retrieve command 679
- Figure 232 683
- Retrieve node 683
- System error messages 693
- Phones” on page 214 704
- Figure 233 709
- IDU command output 709
- IP Line CLI commands 710
- General purpose commands 711
- File transfer commands 715
- Reset commands 720
- DSP commands 721
- Upgrade commands 721
- IPL> shell commands 722
- Voice Gateway commands 726
- Translation IP/DN commands 728
- Figure 236 730
- PRT DNIP output 730
- Figure 237 731
- PRT IPDN output 731
- => prt ipdn 47.11.215 733
- => prt ipdn 47.11.215.0 734
- => prt ipdn 47.11.216 735
- Graceful TPS commands 736
- General trace tool commands 748
- Network Connection Service 750
- Maintenance audit 752
- Work with alarm and log files 761
- Maintenance telephone 762
- Procedure 109 775
- Procedure 111 786
- DSPNumShow 788
- +master tps 790
- IPInfoShow 792
- RUDP Connection Summary 796
- Total firmware = 2 796
- VGW Service is: Enabled 797
- Procedure 112 801
- Figure 245 811
- Media Cards 817
- Convert the IP Trunk cards 819
- Requirements 850
- Time-out configuration 851
- Hairpinning 851
- Unidirectional packet flow 852
- Firmware versions 853
- Natcheck output 854
- Cone NAT 856
- NTMF94EA I/O cable 858
- Figure 276 859
- Connector pin assignments 860
- LAN equipment 863
- DB-9 Female 864
- 553-ITG0007 864
- 553-9245 865
- Tools list 868
- Remove the NT8D81BA cable 868
- NT8D81AA cable 869
- Appendix D: Product integrity 893
- Environmental specifications 894
- Electro-Magnetic Containment 897
- Numerics 905
- Page 910 of 910 Index 910
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