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22 Site planning and hardware deployment
If more than one synchronization source is present, each one forms a
separate hierarchy of DAPs called a synchronization island.
Automatic synchronization occurs within each synchronization island using
the following rules.
•
After a DAP starts, it searches for existing DAPs. If it finds one with a
lower RPN, it synchronizes with it. If no other DAP exists with a lower
RPN, the new DAP becomes the synchronization source.
ATTENTION
Extra DAPs can be required to establish a synchronization path.
• If a DAP detects more than one other DAP, it synchronizes with the
DAP with the shortest path to the synchronization master. If two or
more DAPs have the same path length separating them from the
master, the new DAP synchronizes to the DAP with the lowest RPN.
ATTENTION
After you install SIP DECT, wait at least 15 minutes until you see the results of
the automatic synchronization.
To make a DAP a synchronization master or to give a DAP a higher
position in the synchronization structure, you can manually assign a lower
RPN number to a DAP. You can manually assign RPNs using the DAP
Manager Web interface. Automatically assigned RPNs start at 010. If you
manually assign a new RPN, ensure that it is in the range 000 to 00F.
ATTENTION
You must determine the position of the Synchronization Master before you start
site planning. Place the synchronization master, which is the DAP with the
lowest RPN, in the middle of your site, building, or buildings.
Signal strength and frame errors
Signal strength is important for DAP-handset communication (voice quality)
and synchronization between DAPs. The following items are relevant for
the signal strength for synchronization.
• To achieve a good voice quality, the minimum signal strength at the
receiver in the handset and DAP must be --72 Decibels (referenced to
milliwatts) (dBm). This includes a margin of --10 dBm for fast fading
dips.
• Synchronization is possible if the strength of the received signal from
another DAP is --80 dBm to --85 dBm. This is adjustable.
• In an open area, the distance is doubled if the received signal strength
is 6 dB lower. This means that at a minimum signal strength for good
voice quality of --72 dBm and a distance X, the signal strength at the
Nortel Communication Server 1000
SIP DECT Fundamentals
NN43120-123 02.02 30 March 2010
Copyright © 2008-2010 Nortel Networks. All Rights Reserved.
.
- SIP DECT Fundamentals 1
- Contents 3
- Software requirements 79 4
- SIPN configuration 107 4
- SIPL configuration 159 4
- System administration 191 5
- System maintenance 219 5
- New in this release 7
- Product overview 9
- 10 Product overview 10
- Overview of SIP DECT 11 11
- Figure 1 11
- SIP DECT configuration 11
- Universal extension support 12
- Overview of SIP DECT 13 13
- DECT handset features 14
- — To perform a Blind Transfer 14
- Overview of SIP DECT 15 15
- SIP DECT capacity limitations 16
- Site planning and hardware 17
- Navigation 19
- Radio synchronization 19
- Synchronization hierarchy 21
- IP network configuration 23
- Ethernet requirements 24
- Fixed IP network addresses 25
- Dynamic IP network addresses 25
- Multicast addresses 26
- Location requirements 26
- DAP power configuration 27
- Figure 5 28
- • Branch Office Configuration 29
- Figure 7 30
- Branch Office Configuration 30
- Figure 8 31
- Site survey 32
- Speech quality 33
- Coverage calculation 35
- Figure 10 36
- DECT range calculation chart 36
- Site planning 37 37
- • the number of users 38
- System deployment 38
- Figure 12 40
- System deployment 41 41
- Figure 13 41
- Deployment Kit 2 basestation 41
- Procedure 1 41
- Entering the site survey mode 41
- Deployment terms 42
- Deploying on a single floor 44
- Figure 17 46
- Procedure 6 48
- Locating the cell center 48
- System deployment 49 49
- Figure 19 49
- Example of a cell center 49
- Procedure 7 49
- Demarcating a cell boundary 49
- Figure 20 50
- Procedure 8 50
- System deployment 51 51
- Procedure 9 51
- Figure 21 52
- Procedure 10 52
- System deployment 53 53
- Procedure 11 53
- Figure 22 53
- System deployment 55 55
- Figure 24 55
- Procedure 14 55
- Figure 25 56
- System deployment 57 57
- Figure 26 57
- Figure 27 57
- Figure 28 58
- Figure 29 58
- Deploying on multiple floors 59
- Assess floor layout 60
- System deployment 61 61
- Figure 30 61
- An atrium 61
- Traffic volume 63
- System deployment 65 65
- Figure 32 65
- Procedure 16 65
- System deployment 73 73
- System deployment 77 77
- Software requirements 79
- Firewall protection 80
- Internet information services 80
- 82 Software requirements 82
- Procedure 29 82
- DAP controller software 83 83
- 84 Software requirements 84
- Procedure 30 84
- Restarting IIS 84
- Procedure 31 84
- DAP controller software 85 85
- Procedure 32 85
- DHCP and TFTP servers 87
- • IP Address 88
- • Subnet Mask 88
- DAP controller software 89 89
- Procedure 35 89
- 90 Software requirements 90
- Procedure 36 90
- DAP controller software 91 91
- 92 Software requirements 92
- DAP controller software 93 93
- TFTP server 94
- DAP controller software 95 95
- Procedure 37 95
- Installing the TFTP server 95
- Built-in DHCP server 97
- 98 Software requirements 98
- Procedure 39 98
- Network Settings Window 98
- Built-in TFTP server 99
- ATTENTION 100
- DAP controller software 101 101
- DAP Controller 102
- Prerequisites 103
- 104 Software requirements 104
- DAP controller software 105 105
- 106 Software requirements 106
- SIPN configuration 107
- 108 SIPN configuration 108
- Procedure 43 109
- Procedure 44 109
- 112 SIPN configuration 112
- Procedure 46 112
- Configuring Network Settings 112
- 114 SIPN configuration 114
- Procedure 49 115
- Configuring DECT Settings 115
- 118 SIPN configuration 118
- Procedure 51 119
- Procedure 52 119
- Saving the system 119
- DAP manager configuration 120
- Restarting DECT Access Points 121
- Adding number range 122
- Subscribing a DECT handset 122
- Creating a new customer 124
- Zone configuration 125
- Adding a D-Channel 126
- Adding a route 126
- Adding trunks 127
- Configuring network access 128
- Creating ESN control block 128
- Adding route list block 129
- Adding location code (UDP) 129
- Configuring SIP properties 131
- 132 SIPN configuration 132
- Procedure 69 132
- Configuring SIP properties 132
- NRS configuration 133
- Creating service domain 134
- Adding the UDP domain 134
- Adding the CDP domain 135
- 136 SIPN configuration 136
- Procedure 74 136
- Procedure 75 136
- Procedure 76 137
- 138 SIPN configuration 138
- Saving changes 139
- Call server configuration 140
- Configuring CLID 141
- Branch Office configuration 143
- 144 SIPN configuration 144
- 146 SIPN configuration 146
- • 192.168.1.0/24 147
- • 192.168.4.0/24 147
- • 192.168.5.0/24 147
- 148 SIPN configuration 148
- Procedure 81 149
- Choosing system configuration 149
- Procedure 82 151
- • Codes on system 1 153
- 154 SIPN configuration 154
- Figure 34 154
- • aaa = MCN, MCR, SCN, or SCR 155
- • yyyy = primary DN 158
- SIPL configuration 159
- 160 SIPL configuration 160
- Procedure 86 160
- 162 SIPL configuration 162
- Procedure 87 162
- Procedure 88 163
- Configuring IP Settings 163
- Procedure 89 163
- Procedure 90 165
- Configuring System Settings 165
- Procedure 91 165
- Configuring SIP Settings 165
- 166 SIPL configuration 166
- 7 Click Apply 167
- Step Action 167
- Procedure 94 169
- 170 SIPL configuration 170
- Procedure 95 171
- 172 SIPL configuration 172
- Procedure 96 172
- SIP Line Gateway configuration 177
- 182 SIPL configuration 182
- Configure Routed Head Quarter 183
- 186 SIPL configuration 186
- Procedure 103 186
- 188 SIPL configuration 188
- Procedure 104 188
- Procedure 105 189
- Procedure 106 189
- System administration 191
- 192 System administration 192
- Subscription management 193
- Edit a subscription RPN 194
- Disable a subscription 195
- Removing a subscription 196
- Deleting a number 196
- Use the filter 197
- • Status 198
- • Handset Type and SW Version 199
- DAP management 200
- Restarting a DAP 201
- Restart all DAPs 201
- Add a DN range 202
- 204 System administration 204
- System backup 205
- DAP reboot history 208
- System archive 209
- Handset firmware update 210
- • Retry interval, in minutes 211
- 212 System administration 212
- Handset firmware update 213 213
- • Remove Ready Handsets 214
- Central directory access tool 214
- Supported database types 215
- Installation 216
- • Nortel DirectoryService 217
- 218 System administration 218
- Procedure 127 218
- Configuring IP DECT 218
- System maintenance 219
- 220 System maintenance 220
- 224 System maintenance 224
- Replacing a DAP 224
- Procedure 131 224
- 226 System maintenance 226
- • Red = root level 229
- • Green = first level 229
- • Yellow = second level 229
- 230 System maintenance 230
- Procedure 132 230
- Tracking a portable device 230
- Export a system 233
- Import a system 234
- 236 System maintenance 236
- Procedure 137 236
- Updating the DAP Controller 237
- If DAP is not working 238
- • For IP DECT Configurator: 240
- • For Call Server: 240
- Troubleshooting 241 241
- 242 System maintenance 242
- Figure 35 242
- Troubleshooting 243 243
- System survey 244
- Hardware 244
- IP addresses 244
- Software version 244
- Configuration 245
- Numbering plan 245
- DAP information file 245
- Network packet capture traces 246
- Appendix 247
- Location builder tool 247
- 248 Location builder tool 248
- Create a location file 249
- 250 Location builder tool 250
- • Add lines in freehand mode: 251
- 252 Location builder tool 252
- Maintenance 254
- 256 Location builder tool 256
- Site sur vey example 257
- Gather survey items 258
- Identify site contacts 258
- Obtain site plans 258
- Gather building information 259
- Identify existing cabling 260
- Assess radio coverage 260
- Profile handset use 261
- 262 Site survey example 262
- Deployment tool 263
- 264 Deployment tool 264
- Figure 38 264
- Assembled deployment tool 264
- • battery charger cable 265
- Charging time 266
- Figure 41 267
- 268 Deployment tool 268
- Figure 42 268
- Procedure 148 269
- 270 Deployment tool 270
- Figure 43 270
- Procedure 149 270
- Entering the monitor mode 270
- How the deployment tool works 271
- 272 Deployment tool 272
- Handset tones interpretation 273
- Rules for outdoor deployment 273
- 274 Deployment tool 274
- External housing installation 275
- Third Party Software 283
- 284 Third Party Software 284
- 286 Third Party Software 286
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