SpectraLink NetLink e340 Manual de instrucciones

NetLink e340/h340/i640 Wireless Telephones

with Session Initiation Protocol (SIP)

Configuration and Administration

Part Number: 72-1089-02

Issue E

SpectraLink Corporation Configuration and Administration—NetLink e340/h340/i640 Wireless Telephone

with SIP

PN: 72-1089-02-E.doc Page 2

Trademark Information

Polycom® and the logo designs

SpectraLink®

LinkPlus

Link

NetLink

SVP

Are trademarks and registered trademarks of

Polycom, Inc. in the United States of America and

various countries. All other trademarks used herein

are the property of their respective owners.

Patent Information

The accompanying product is protected by one or

more US and foreign patents and/or pending

patent applications held by Polycom, Inc.

pan-American copyright Conventions.

No part of this manual, or the software described

herein, may be reproduced or transmitted in any

form or by any means, or translated into another

language or format, in whole or in part, without

the express written permission of Polycom, Inc.

Do not remove (or allow any third party to

remove) any product identification, copyright or

other notices.

Every effort has been made to ensure that the

information in this document is accurate. Polycom,

Inc. is not responsible for printing or clerical

errors. Information in this document is subject to

change without notice and does not represent a

commitment on the part of Polycom, Inc.

Notice

Polycom, Inc. has prepared this document for use

by Polycom personnel and customers. The

drawings and specifications contained herein are

the property of Polycom and shall be neither

reproduced in whole or in part without the prior

written approval of Polycom, nor be implied to

grant any license to make, use, or sell equipment

manufactured in accordance herewith.

Polycom reserves the right to make changes in

specifications and other information contained in

this document without prior notice, and the reader

should in all cases consult Polycom to determine

whether any such changes have been made.

No representation or other affirmation of fact

contained in this document including but not

limited to statements regarding capacity, response-

time performance, suitability for use, or

performance of products described herein shall be

deemed to be a warranty by Polycom for any

purpose, or give rise to any liability of Polycom

whatsoever.

Contact Information

Please contact your Polycom Authorized Reseller

for assistance.

Polycom, Inc.

4750 Willow Road,

Pleasanton, CA 94588

http://www.polycom.com

SpectraLink Corporation Configuration and Administration—NetLink e340/h340/i640 Wireless Telephone

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Table of Contents

1. About This Document 4

1.1 SpectraLink Corporation Model Numbers 4

1.2 Related Documents 4

1.3 Customer Support Hotline 4

1.4 Icons and Conventions 5

2. NetLink Wireless Telephone Overview 6

2.1 SpectraLink Voice Priority (SVP) and QoS 6

2.2 Security 6

2.3 Quick Start Guide 7

2.4 System Diagram 8

2.5 System Components 9

2.6 NetLink Wireless Telephone Specifications 11

2.7 Handset Display 12

2.8 Startup Sequence 13

2.9 Handset Modes 14

2.10 Handset Displays 15

3. NetLink Wireless Telephone Configuration 16

3.1 The Admin Menu 16

3.2 User-defined Preferences 24

3.3 The Favorites Menu 31

4. Software License and Protocol Management 32

4.1 Requirements 32

4.2 Configuration Process 32

5. SIP Integration Factors 34

6. SIP Handset Features 35

6.1 SIP TFTP Server Configuration Files 35

6.2 The Handset Display 38

6.3 Using the SIP Handset 38

7. Testing a Handset 44

8. Diagnostic Tools 45

8.1 Run Site Survey 45

8.2 Diagnostics Mode 47

8.3 Syslog Mode 50

9. Certifying the Handsets 52

9.1 Conducting a Site Survey 52

10. Software Maintenance 53

11. Troubleshooting 55

11.1 Access Point Problems 55

11.2 Configuration Problems 55

11.3 Handset Status Messages 56

12. Appendix A 63

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1. About This Document

This document explains how to configure and maintain the NetLink

e340/h340/i640 Wireless Telephones with Session Initiation Protocol (SIP); a

protocol for the control of voice over IP (VoIP) calls via a proxy server(s).

1.1 SpectraLink Corporation Model Numbers

This document covers the following registered model numbers:

NetLink e340/h340 Wireless Telephone

NetLink i640 Wireless Telephone

1.2 Related Documents

SpectraLink 8000 SVP Server: Administration Guide for SIP

(1725-36033-001)

Available at http://www.polycom.com/usa/en/support/voice/wi-

fi/spectralink_8000_svp_server.html.

Polycom WLAN Compatibility Table

(1725-36040-001)

Access Point Configuration Guide

(1725-36xxx-001 where xxx indicates a number

corresponding to the type of access point.)

Available at http://www.polycom.com/usa/en/support/voice/wi-

fi/wi_fi_interoperability.html.

Deploying Enterprise-Grade Wi-Fi Telephony white paper

Available at

http://www.polycom.com/common/documents/products/voice/mobile/bestpracti

ces_SLNK_032708.pdf.

Open Application Interface (OAI) Specification (Version 2.0)

(72-0052-00)

NetLink Wireless Telephones: SIP User Agent: Features and Standards

(72-1089-01)

Technical specifications available by request. Please contact Customer Support.

1.3 Customer Support Hotline

SpectraLink wants you to have a successful installation. If you have questions please

contact our Customer Support Hotline at (800) 775-5330. The hotline is open

Monday through Friday, 6 a.m. to 6 p.m. Mountain time.

For Technical Support: technicalsupport@polycom.com

For Knowledge Base:

http://www.polycom.com/usa/en/support/voice/voice.html

For Return Material Authorization: [email protected]

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1.4 Icons and Conventions

This manual uses the following icons and conventions.

Caution! Follow these instructions carefully to avoid danger.

Note these instructions carefully.

NORM This typeface indicates a key, label, or button on SpectraLink hardware.

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2. NetLink Wireless Telephone Overview

The NetLink e340/h340/i640 Wireless Telephones are mobile handsets for

workplace IP telephone systems. The handsets operate over an 802.11b wireless

Ethernet LAN providing users a wireless voice over IP (VoIP) extension. By

seamlessly integrating into a SIP environment, handset users are provided with high-

quality mobile voice communications throughout the workplace. The handset gives

users the freedom to roam throughout the workplace while providing all the features

and functionality of a SIP desk phone.

The handsets reside on the wireless LAN with other wireless devices using direct

sequence spread spectrum (DSSS) radio technology. The handset radio transmits and

receives packets at up to 11 Mb/s.

In the SIP environment, the handsets support up to three proxy servers. Each

handset may have five line appearances and two calls per line. Each handset may

have up to 10 sets of credentials to identify itself by current user.

2.1 SpectraLink Voice Priority (SVP) and QoS

The NetLink SVP Server is an Ethernet LAN device that works with the AP to

provide quality of service (QoS) on the wireless LAN. Voice packets to and from the

NetLink Wireless Telephones are intercepted by the NetLink SVP Server and

encapsulated for prioritization as they are routed to and from a SIP proxy server. See

the

SpectraLink 8000 SVP Server: Administration Guide for SIP

document for

detailed information about this device.

2.2 Security

NetLink Wireless Telephones support the 802.11i standard including Wi-Fi

Protected Access (WPA and WPA2) in the pre-shared key (PSK) mode. As vendors

introduce access point (APs) that are eligible to become Wi-Fi CERTIFIED for

WPA-PSK and/or WPA2-PSK, SpectraLink will determine compatibility with the

NetLink Wireless Telephones and include these APs on the

NetLink Wireless

Telephone WLAN Compatibility List.

NetLink Wireless Telephones support basic WMM as part of the 802.11e standard.

If the AP supports WMM, the handset automatically discovers and uses it. WMM

does not replace the NetLink SVP Server as described in the first paragraph. WMM

settings must be configured on the NetLink SVP Server.

The NetLink e340/h340/i640 Wireless Telephone supports Wired Equivalent

Privacy (WEP) as defined by the 802.11 standard. SpectraLink offers the product

with both 40-bit and 128-bit encryption.

The latest software versions are required to support the features described in

this document.

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2.3 Quick Start Guide

1. A wireless LAN must be properly configured and operational through the use of

802.11 wireless APs.

2. A TFTP server must be available on the network in order to load the appropriate

software into the handsets. See Section 4

Software License and Protocol

Management

for detailed instructions for loading software on handsets.

3. The supported SIP system components must be connected to your network and

completely operational.

4. The NetLink SVP Server, which facilitates the QoS on the wireless LAN for the

handsets, must be on the same subnet as the handsets and have the proper

versions of software.

Ensure you have the following versions for the NetLink SVP Server:

173 svp100.toc

174 zvmlinux

175 flashfs

5. Visit http://www.polycom.com/usa/en/support/voice/wi-

fi/spectralink_8000_svp_server.html to download the latest handset software

and any updates to the NetLink SVP Server software.

6. Install the correct handset software and any updates to the NetLink SVP Server

software per Section 4.2

Configuration Process

for the handsets and per

SpectraLink 8000 SVP Server: Administration Guide for SIP

Section 6.1

Software

Updates

for the NetLink SVP Server. Ensure the software is properly loaded on

the TFTP server.

7. Configure your handset to ensure that it is associated with the wireless LAN, has

the appropriate software, and has the correct IP address for the supported proxy

server. See S

ection 4 Software License and Protocol Management

and Section 3

NetLink Wireless Telephone Configuration

for detailed instructions for loading

software onto and configuring handsets.

8. Create configuration files on the SIP TFTP server to define parameters for the

SIP application. See Section 6.1

SIP TFTP Server Configuration Files

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2.4 System Diagram

The following diagram shows the SpectraLink components residing on a network

with APs and wireless LAN Ethernet Switch.

NetLink SVP Server

Ethernet switch

access point

Wireless

POS

Wireless

Telephones

access point

Optional SIP

Phones

optional

Supplied by

SpectraLink Ethernet cable

Phone cable

internet

SIP Server(s)

SIP proxy or SIP B2BUA

TFTP server

Handset code SIP config

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2.5 System Components

NetLink e340/h340/i640 Wireless Telephone

The NetLink e340/h340/i640 Wireless Telephone is a lightweight, durable handset

specifically designed for mobile workplace use within a facility using SIP and an

802.11 wireless LAN. The handsets are to be used on-premises; they are not cellular

or satellite phones.

NetLink e340/h340/i640 Wireless Telephones use direct-sequence spread spectrum

radio technology (DSSS) to transmit audio packets over wireless LAN APs that

support SpectraLink Voice Priority (SVP).

NetLink SVP Server

SVP is the SpectraLink quality of service (QoS) mechanism that is implemented in

the AP to enhance voice quality over the wireless network. SVP gives preference to

voice packets over data packets on the wireless medium, increasing the probability

that all voice packets are transmitted efficiently and with minimum or no delay. SVP

is fully compatible with the IEEE 802.11b standard.

The NetLink SVP Server is an Ethernet LAN appliance that works with the AP to

provide QoS on the wireless LAN. All SIP packets to and from the NetLink

e340/h340/i640 Wireless Telephones pass through the NetLink SVP Server and are

encapsulated for prioritization as they are routed to and from other SIP devices.

Access points

Supplied by third-party vendors, APs provide the connection between the wired

Ethernet LAN and the wireless (802.11) LAN. Access points must be positioned in

all areas where handsets will be used. The number and placement of APs will affect

the coverage area and capacity of the wireless system. Typically, the requirements for

use of NetLink e340/h340/i640 Wireless Telephones are similar to that of wireless

data devices.

Access points must utilize SpectraLink Voice Priority (SVP). See the

Polycom

WLAN Compatibility Table

for information about APs that support SVP.

Ethernet switch

Interconnects multiple network devices, including the NetLink SVP Server, the

proxy server(s), wired IP phones and the APs. Ethernet switches provide the highest

performance networks, which can handle combined voice and data traffic, and are

required when using the NetLink e340/h340/i640 Wireless Telephones.

Although a single Ethernet switch network is recommended, the handsets and the

NetLink SVP Server can operate in larger, more complex networks, including

networks with multiple Ethernet switches, routers, VLANs and/or multiple subnets.

However, in such networks, it is possible for the quality of service (QoS) features of

the NetLink SVP Server to be compromised and voice quality may suffer. Any

network that consists of more than a single Ethernet switch should be thoroughly

tested to ensure any quality issues are detected.

Note that the NetLink e340/h340/i640 Wireless Telephones cannot “roam” from

one subnet to another. If routers and multiple subnets are in use, the handsets must

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only use APs attached to a single subnet, or be powered off and back on to switch to

a different subnet.

SIP server

The SIP server is a component from a third-party vendor that provides access to

telephony services. The handsets can recognize up to three distinct SIP servers in a

single system.

The handsets can operate with SIP proxy servers such as SER (SIP Extensible

Router) or with SIP Back-to-Back User Agents (B2BUA) – the most common form

of SIP server for PBX-based systems. The handsets can also operate with no SIP

server at all. In this case the IP address location services provided by the SIP server

are not available, so direct IP address dialing must be used.

The SIP proxy server connects to another device such as a PBX or gateway and from

there, other wired phones and the PSTN.

SIP phone

The optional wired-LAN desksets such as those provided by Cisco, Inter-Tel, and

Polycom.

TFTP server

Required in the system to distribute software to the handsets. May be on a different

subnet than the gateway, APs and/or handsets.

SIP TFTP server

Required in the system to deliver SIP configuration parameters to the SIP handset

whenever a SIP handset is powered-up. The location of the SIP TFTP server is

separately specified in SIP handset administration parameters (See Section 4.1

The

Admin Menu

.) Normally, the SIP TFTP server is the same as the network TFTP

server, see above.

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