Nortel NN43001-504 Bedienungsanleitung

Nortel Communication Server 1000

WLAN IP Telephony Installation

and Commissioning

NN43001-504

Document status: Standard

Document version: 01.02

Document date: 15 June 2007

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.

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

4Revision history

Nortel Communication Server 1000

WLAN IP Telephony Installation and Commissioning

NN43001-504 01.02 Standard

Release 5.0 15 June 2007

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

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

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

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

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

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

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 2004 187

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

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