Nortel NN43001-504 User manual

Nortel Communication Server 1000
WLAN IP Telephony Installation
and Commissioning
NN43001-504
.

Document status: Standard
Document version: 01.02
Document date: 15 June 2007
Copyright © 2004-2007, Nortel Networks
All Rights Reserved.
Sourced in Canada
The information in this document is subject to change without notice. The statements, configurations, technical
data, and recommendations in this document are believed to be accurate and reliable, but are presented without
express or implied warranty. Users must take full responsibility for their applications of any products specified in this
document. The information in this document is proprietary to Nortel Networks.
Nortel, the Nortel logo and the Globemark are trademarks of Nortel Networks.
All other trademarks are the property of their respective owners.

3
Revision history
June 2007
Standard 01.02. This document is up-issued to reflect a change in the
revision history.
May 2007
Standard 01.01. This document is issued to support Nortel Communication
Server 1000 Release 5.0. This document contains information previously
contained in the following legacy document, now retired: WLAN IP
Telephony Installation and Configuration (553-3001-304).
August 2005
Standard 4.00. This document is up-issued to support Nortel
Communication Server 1000 Release 4.5.
September 2004
Standard 3.00. This document is up-issued to support Nortel Networks
Communication Server 1000 Release 4.0.
June 2004
Standard 2.00. This document is up-issued to reflect changes in technical
content.
May 2004
Standard 1.00. This document is issued to support the Nortel Networks
WLAN system, including the Nortel Networks WLAN IP Telephony Manager
2245, Nortel Networks WLAN Application Gateway 2246, Nortel Networks
WLAN Handset 2210, and Nortel Networks WLAN Handset 2211.
Nortel Communication Server 1000
WLAN IP Telephony Installation and Commissioning
NN43001-504 01.02 Standard
Release 5.0 15 June 2007
Copyright © 2004-2007, Nortel Networks
.

4Revision history
Nortel Communication Server 1000
WLAN IP Telephony Installation and Commissioning
NN43001-504 01.02 Standard
Release 5.0 15 June 2007
Copyright © 2004-2007, Nortel Networks
.

5
Contents
New in this release 13
Feature description 13
Other changes 13
Multicast 14
Zones for wireless handsets 14
Open and use the Admin menu on the handset 14
Admin menu options for the WLAN Handset 6120/6140 14
Download the software 14
Feature programming for the WLAN Handset 6120/6140 14
Test the wireless handsets 14
Run Site Survey for the WLAN Handset 6120/6140 14
Diagnostics mode 14
Push-to-talk 14
Wireless handset status messages 15
How to get help 17
Getting help from the Nortel Web site 17
Getting help over the phone from a Nortel Solutions Center 17
Getting help from a specialist by using an Express Routing Code 17
Getting help through a Nortel distributor or reseller 18
Overview 19
Subject 19
Applicable systems 20
Conventions 21
Resources 21
Declaration of conformity 22
Shielded cable 22
Wireless telephone network description 22
Call Server 24
DHCP Server 25
DHCP options 25
TFTP Server 25
Firewall 25
WLAN Handset 2210/2211/2212 and WLAN Handset 6120/6140 25
Nortel Communication Server 1000
WLAN IP Telephony Installation and Commissioning
NN43001-504 01.02 Standard
Release 5.0 15 June 2007
Copyright © 2004-2007, Nortel Networks
.

6Contents
Components 26
Language 27
Licenses 27
Wi-Fi Multimedia 27
Wired Equivalent Privacy 28
Wi-Fi Protected Access 28
Wi-Fi Protected Access2 28
Virtual Private Network 28
Push-to-talk feature 28
Text-messaging feature 28
Loud noise environments 29
WLAN IP Telephony Manager 2245 29
WLAN Application Gateway 2246 30
Access Points 30
Handset switchover 31
Handset switchover 31
Loss of signal 31
Planning 33
Challenges of integrating voice applications 33
High overhead of 802.11 34
Rate scaling and variable capacity 34
Power adjustments and variable capacity 35
Quality of Service 35
DHCP server planning 36
TFTP Server planning 38
Syslog Server planning 40
Access point planning 40
Site survey 41
Effective site survey 43
Example of AP placement 44
Solving coverage issues 45
Solving overlap issues 45
Network planning 46
Network recommendation 46
Sample Access Control List 47
Network management 47
Assessment through a WLAN site survey 48
Assessment using NetIQ Vivinet Assessor 49
Monitoring and reporting with Enterprise Network Monitoring System 50
Monitoring and reporting with Communication Server 1000 Telephony
Manager 52
Monitoring and reporting with NetiQ Vivinet Assessor, Vivinet AppManager, and
Vivinet Diagnostics 53
Nortel Communication Server 1000
WLAN IP Telephony Installation and Commissioning
NN43001-504 01.02 Standard
Release 5.0 15 June 2007
Copyright © 2004-2007, Nortel Networks
.

Contents 7
Communication Server 1000 Telephony Manager 54
Zones 54
Other network design considerations 55
Access Point interference 56
SSID options and limitations 57
Layer 3 implementation 58
WLAN IP Telephony Manager 2245 planning 59
Installation requirements 59
Capacities 59
WLAN IP Telephony Manager 2245 groups 60
Gateway and timing function 64
Roaming and handover 64
Multicast 65
Placement guidelines for the WLAN IP Telephony Manager 2245 65
WLAN Application Gateway 2246 planning 73
WLAN IP Telephony Manager 2245 and WLAN Application Gateway 2246
installation requirements 74
IP address planning 74
IP addressing with DHCP 75
Planning worksheets 75
System information 77
Bandwidth management 77
Zones 77
Zones for wireless handsets 78
Call blocking 79
Codecs 79
Jitter buffer 80
RLR and SLR 80
RTCP 80
Gain adjustment 81
Programmable rings and tones 81
In/Out of Service tones 81
Virtual Office 81
Branch Office 81
Local mode display 81
Survivable Remote Gateway 82
External Applications Server 83
End-to-end QoS 83
NAT 83
NAT Traversal feature 84
Network configurations 84
WLAN IP Telephony Manager 2245 in a NAT environment 88
DHCP Server location in a NAT environment 88
Nortel Communication Server 1000
WLAN IP Telephony Installation and Commissioning
NN43001-504 01.02 Standard
Release 5.0 15 June 2007
Copyright © 2004-2007, Nortel Networks
.

8Contents
TFTP Server location in a NAT environment 89
WLAN Application Gateway 2246 in a NAT environment 89
CS 1000 features 90
IP Phone 2004 features 91
Installation 93
Required materials 93
Supplied equipment 94
Preinstallation checklist 94
WLAN IP Telephony Manager 2245 installation tasks 94
About the front panel 94
Wall-mount 95
Rack-mount 96
LAN connection 97
Power connection 97
WLAN Application Gateway 2246 installation 97
WLAN IP Telephony Manager 2245 configuration 99
Introduction 99
Functional description 99
Configuration tasks 101
Connect to the WLAN IP Telephony Manager 2245 101
Serial port connection 101
Telnet connection 102
Configure the network 103
Save the configuration 105
Changing the master IP address 106
Configure the WLAN IP Telephony Manager 2245 106
Change the password 108
Administration and maintenance 111
Adding a WLAN IP Telephony Manager 2245 to the system 111
Checking in to the Gateway 111
Replacing a WLAN IP Telephony Manager 2245 112
Failed master WLAN IP Telephony Manager 2245 112
Replacing the failed WLAN IP Telephony Manager 2245 112
Removing a WLAN IP Telephony Manager 2245 from the system 113
Wireless handset scenarios 113
Changing the master WLAN IP Telephony Manager 2245 113
View software version 113
For the WLAN IP Telephony Manager 2245 114
For the WLAN Application Gateway 2246 114
For a wireless handset 114
Software updates 114
Update software on the WLAN IP Telephony Manager 2245 115
Nortel Communication Server 1000
WLAN IP Telephony Installation and Commissioning
NN43001-504 01.02 Standard
Release 5.0 15 June 2007
Copyright © 2004-2007, Nortel Networks
.

Contents 9
Update software on the WLAN Application Gateway 2246 115
Update software on a wireless handset 115
Software update (version 97.070) for the WLAN Handsets 2210/2211/2212 116
Displays 117
Wireless handset download messages 117
Normal download messages 117
Download failure or recovery messages 118
Troubleshooting 119
Troubleshooting the WLAN IP Telephony Manager 2245 119
Error Status screen 119
Network Status screen 120
Software Version Numbers screen 121
Speed or duplex mismatch 122
Troubleshooting the WLAN Application Gateway 2246 122
Troubleshooting the handset 122
Context 122
Access Point problems 123
Configuration problems 123
Duplex mismatch 124
No ring 124
Far-end echo 124
Dropped calls 124
Wireless handset status messages 125
Using Call Server overlay commands 139
TPS CLI commands 141
Determining alias IP addresses 144
Troubleshooting coverage issues 144
Before calling Nortel Technical Support 144
Appendix A WLAN Application Gateway 2246 147
Introduction 147
System overview 148
Front panel 149
Third-party applications 150
Nurse-call systems 151
Installation 151
Configuring the WLAN Application Gateway 2246 IP address 152
Configuration 153
Administration console navigation 154
Task summary list 154
Configuring the OAI Box 155
Configuring network parameters 155
Connecting to the LAN 157
Connecting to the Application Server 158
Nortel Communication Server 1000
WLAN IP Telephony Installation and Commissioning
NN43001-504 01.02 Standard
Release 5.0 15 June 2007
Copyright © 2004-2007, Nortel Networks
.

10 Contents
Continuing configuration through Telnet 160
Connecting through Telnet 160
Configuring the Telephone Line 161
Deleting a handset 162
Searching for a handset 162
Feature programming 163
Setting or changing a password 164
System status 164
Network status 165
Software versions 166
Telephone line status 167
Certification testing 167
WLAN Application Gateway 2246 certification 167
Wireless handset certification 167
Software 168
Software updates 168
TFTP software updates Systems 170
Planning Worksheet for Handsets 171
Free the serial port for administrative purposes 172
Appendix B Troubleshooting WLAN IP Telephony
installations 173
Site data-gathering tables 173
Product-specific configuration 176
Terminal proxy server 176
Handsets 177
WLAN IP Telephony Manager 2245 177
Quality of Service 177
WLAN specific configuration 177
Nortel switches 178
Cisco access points and switches 178
General WLAN configuration 183
DHCP server options 184
DHCP options 184
DHCP support for handsets that emulate the IP Phone [phone]
Format of the IP Phone 2004 Terminal DHCP Class Identifier field 187
Format of the IP Phone 2004 Terminal DHCP Encapsulated Vendor Specific
option 188
Format of the IP Phone 2004 Terminal DHCP Site Specific option 189
Quality of Service checklist for voice over WLAN applications 191
RF basics and AP configuration 193
Troubleshooting 196
Diagnosis flows 196
Handset error messages 198
Nortel Communication Server 1000
WLAN IP Telephony Installation and Commissioning
NN43001-504 01.02 Standard
Release 5.0 15 June 2007
Copyright © 2004-2007, Nortel Networks
.