Nortel Networks Remote Gateway 50 Manual de usuario Pagina 138
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Page 138 of 258 Alternative Call Routing for Network Bandwidth Management
553-3001-207 Standard 2.00 January 2006
A call from a main office telephone to a branch office telephone
Figure 44 shows two CS 1000 systems. The system shown on the left is a
main office. The system shown on the right is a branch office. Both systems
have access to the PSTN. The Wide Area Network (WAN) is shown in the
center with a gatekeeper/Network Routing Service (NRS) that can be
co-resident with a Signaling Server. IP Phones are also shown associated with
each system. Telephone A belongs to the main office. Telephone B is a
telephone at the branch office registered to the main office. There are two
bandwidth zones indicated by the dashed line (main office zone [MO zone]
and branch office zone [BO2 zone]). Telephone A and the Media Gateway
belong to the MO zone. Telephones B and C and the branch office belong to
the BO2 zone.
Figure 44
Example of an alternately routed call between a main office telephone and a branch office
telephone
Telephone A calls Telephone B (the user dials DN 3121). In this example, the
call alternately routes to the PSTN. (The PSTN telephone number of
Telephone B is 613-966-3121.)
- Remote Gateway 50 1
- Revision history 3
- Page 6 of 258 Contents 6
- Contents Page 7 of 258 7
- Page 8 of 258 Contents 8
- List of procedures 9
- About this document 11
- Applicable systems 12
- Intended audience 12
- Conventions 12
- Related information 13
- Overview 15
- Page 16 of 258 Overview 16
- Overview Page 17 of 258 17
- Figure 1: 17
- SRG network 17
- Signaling Server 18
- Network Routing Service 18
- Telephones 19
- Main office requirements 20
- Overview Page 21 of 258 21
- Normal Mode 22
- Local Mode 22
- Survivability 22
- Overview Page 23 of 258 23
- Recovery to Normal Mode 24
- Local Mode operation 24
- Virtual Trunks 25
- Bandwidth Management Overview 26
- Miscellaneous items 27
- Page 28 of 258 Overview 28
- Capacity 29
- Branch office dialing plan 30
- ESN Access Codes 31
- Music on Hold 31
- Page 34 of 258 Overview 34
- Setting up the main office 35
- Telephony programming: 38
- Zone parameters 39
- IMPORTANT! 40
- Identifier (Part 1 of 2) 40
- Identifier (Part 2 of 2) 41
- CS 1000 Element Manager 43
- Figure 3 45
- Figure 4 46
- Introduction 50
- Codec negotiation 50
- Codec selection 53
- Codec selection algorithms 53
- Configuration rules 57
- Network Planning 57
- Enabling codecs 58
- Figure 5 59
- Configuring a codec 59
- Configuration using LD 117 61
- CHG ZONE command 61
- Maintenance commands 63
- Maintenance using LD 117 66
- Figure 10 70
- Figure 11 71
- Figure 12 73
- Figure 13 74
- Figure 14 78
- Figure 15 87
- End of Procedure 87
- (Part 1 of 3) 88
- (Part 2 of 3) 89
- Figure 17 92
- Application 93
- Dialing Plan Overview 94
- Figure 19 95
- General legend 95
- Common details 96
- Figure 21 99
- Figure 22 100
- Figure 23 101
- Figure 24 103
- Figure 25 104
- Figure 26 105
- Figure 27 106
- Figure 28 107
- Figure 29 108
- Dialing Plan 116
- Manager 117
- Figure 33 118
- Figure 34 119
- Figure 35 120
- Figure 36 121
- Figure 38 124
- Figure 39 125
- Figure 40 126
- Bandwidth Management 127
- Figure 41 128
- ALTPrefix 130
- Dialing plans 132
- Figure 42 134
- Figure 43 136
- Figure 44 138
- Figure 45 140
- Figure 46 142
- Figure 47 144
- Operating parameters 146
- Feature interactions 148
- Feature packaging 149
- Sample printout 151
- Zone configuration 151
- Accessing the Zones web page 152
- Diagnostics 155
- Element Manager diagnostics 156
- Maintenance 162
- Element Manager maintenance 163
- Suppress alarms 165
- Feature operation 166
- Dialing Plan configuration 167
- On-net dialing plan 168
- Off-net dialing plan 169
- Routing calls 170
- H.323 zones 170
- Zone-based digit manipulation 171
- Calling Line ID composition 172
- Configuring the dialing plan 174
- Dialing plan examples 193
- Figure 62 195
- Figure 63 196
- Figure 64 197
- Figure 65 199
- Figure 66 201
- Figure 67 202
- Figure 68 203
- Figure 69 206
- Normal and Local Mode 206
- Figure 70 207
- Figure 71 209
- Figure 72 212
- Figure 73 214
- Universal Dialing Plan 216
- Figure 74 217
- UDP using location codes 217
- Figure 75 218
- Figure 77 221
- Contents 225
- Testing the ESDN number 238
- Description 241
- Firmware upgrade 242
- Scenarios 245
- List of terms 251
- Survivable Remote Gateway 50 260
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