SpectraLink 8440 Instruction Manual

1725-86984-000 Rev: P
September 2016
Spectralink 84-Series Wireless Telephone
Administration Guide

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September 2016 2
Copyright Notice
© 2012-2016 Spectralink Corporation All rights reserved. SpectralinkTM, the Spectralink logo and
the names and marks associated with Spectralink’s products are trademarks and/or service
marks of Spectralink Corporation and are common law marks in the United States and various
other countries. All other trademarks are property of their respective owners. No portion hereof
may be reproduced or transmitted in any form or by any means, for any purpose other than the
recipient’s personal use, without the express written permission of Spectralink.
All rights reserved under the International and 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 Spectralink Corporation.
Do not remove (or allow any third party to remove) any product identification, copyright or other
notices.
Notice
Spectralink Corporation has prepared this document for use by Spectralink personnel and
customers. The drawings and specifications contained herein are the property of Spectralink and
shall be neither reproduced in whole or in part without the prior written approval of Spectralink,
nor be implied to grant any license to make, use, or sell equipment manufactured in accordance
herewith.
Spectralink 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 Spectralink 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
SPECTRALINK FOR ANY PURPOSE, OR GIVE RISE TO ANY LIABILITY OF SPECTRALINK
WHATSOEVER.
Warranty
The Product Warranty and Software License and Warranty and other support documents are
available at +http://support.spectralink.com.
Contact Information
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[phone] [phone] [phone]
Spectralink Corporation Spectralink Europe ApS Spectralink Europe UK
2560 55th Street Bygholm Soepark 21 E Stuen 329 Bracknell, Doncastle Road
Boulder, CO 80301 8700 Horsens Bracknell, Berkshire, RG12 8PE
USA Denmark United Kingdom
[e-mail] [e-mail] [e-mail]

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Contents
About This Guide.............................................................. 11
Who Should Read This Guide?.......................................................................................11
What’s New in This Guide ...............................................................................................11
Recommended Software Tools.......................................................................................12
Reading the Feature Parameter Tables..........................................................................12
Product Support ..............................................................................................................12
Spectralink References ...................................................................................................13
Specific Documents ....................................................................................................13
Conventions Used In This Document.............................................................................15
Icons...........................................................................................................................15
Writing Conventions....................................................................................................16
Part I: Getting Started ...................................... 17
Chapter 1: Welcome to the Spectralink 84-Series Handsets......... 18
Key Features of your Spectralink Handsets ..................................................................20
Chapter 2: System Overview................................................ 21
What is SIP?.....................................................................................................................21
Network Requirements....................................................................................................21
Network Configuration ....................................................................................................22
Understanding Spectralink Phone Software Architecture............................................23
What is the Updater? ..................................................................................................23
What is the Spectralink Software?...............................................................................24
What are the configuration files?.................................................................................24
What are the resource files? .......................................................................................25
Part II: Setting Up Your Environment ................... 26
Chapter 3: Setting Up Your Device Network............................. 27
Wireless Device Settings.................................................................................................27
IP Communication Settings ............................................................................................27
Provisioning Server Discovery.......................................................................................28
Supported provisioning protocols................................................................................29
Network Configuration Menus........................................................................................30
Network configuration menu........................................................................................31
Provisioning server menu............................................................................................32
Network Interfaces Menu ............................................................................................34

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Syslog Menu...............................................................................................................39
Login Credentials Menu ..............................................................................................40
TLS Security Menu...........................................................................................................41
TLS Profile Menu ........................................................................................................41
TLS Applications Menu ...............................................................................................41
Chapter 4: Setting Up the Provisioning Server.......................... 43
Why Use a Provisioning Server?....................................................................................43
Provisioning Server Redundancy................................................................................43
Provisioning Server Security Notes ...............................................................................44
Setting up an FTP Server as Your Provisioning Server................................................44
Downloading Spectralink Software Files to the Provisioning Server ..........................46
Microsoft®Skype for Business compatibility................................................................46
Spectralink 84-Series Hardware IDs............................................................................47
Deploying and Updating Spectralink Handsets with a Provisioning Server................48
Shortcut Method to Deploy Spectralink Handsets with a Provisioning Server..............49
Upgrading Spectralink Software..................................................................................51
Chapter 5: Understanding the Files Written by the Handsets........ 52
Log Files...........................................................................................................................53
Overrides..........................................................................................................................53
Deleting the override file..............................................................................................54
Contacts...........................................................................................................................54
Call List.............................................................................................................................55
Part III: Configuring Features............................. 58
Chapter 6: Features that Cannot be Configured ........................ 59
Audio Processing Features.............................................................................................59
Automatic Gain Control...............................................................................................59
Background Noise Suppression..................................................................................59
Comfort Noise Fill........................................................................................................59
Dynamic Noise Reduction...........................................................................................59
Jitter Buffer and Packet Error Concealment ................................................................59
Low-Delay Audio Packet Transmission.......................................................................60
Call Timer .........................................................................................................................60
Called Party Identification...............................................................................................60
Connected Party Identification .......................................................................................60
Microphone Mute.............................................................................................................60
Synthesized Call Progress Tones...................................................................................61

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Chapter 7: Configurable Features on the User Menus ................ 62
Call Forwarding................................................................................................................62
Keypad Lock ....................................................................................................................66
Multi Key Answer.............................................................................................................67
Notification Profiles.........................................................................................................67
Time and Date Display.....................................................................................................77
Synchronizing with SNTP............................................................................................79
User Preferences Parameters.........................................................................................80
Chapter 8: Features Configured by the Administrator ................ 82
AutoComplete List...........................................................................................................82
Audio Settings .................................................................................................................83
Context Sensitive Volume Control...............................................................................83
<voice.volume/>..........................................................................................................83
<voice/>......................................................................................................................84
<rxQoS/>.....................................................................................................................84
Automatic Off-Hook Call Placement...............................................................................85
Background Images.........................................................................................................86
Configuring Background Images.................................................................................86
Backlight Off while Phone is Charging ..........................................................................87
Battery End-of-life Alert...................................................................................................87
Feature and Basic Settings Menu Password.................................................................88
Call Hold...........................................................................................................................89
Call Handling Features....................................................................................................91
Call Park and Retrieve ................................................................................................92
Call Waiting Alerts.......................................................................................................92
Calling Party Identification...........................................................................................92
Missed Call Notification...............................................................................................93
Call Transfer ...............................................................................................................93
Call Lists .....................................................................................................................95
Miscellaneous Call Handling Parameters....................................................................95
CMS 2.0.............................................................................................................................97
Conference Calls .............................................................................................................97
Corporate Directory.........................................................................................................98
Default Ring Tones and Alert Tones.............................................................................101
Call Progress Patterns ..............................................................................................104
Do Not Disturb ...............................................................................................................106
Dual Tone Multi-Frequency (DTMF) Tones...................................................................106
DTMF Event RTP Payload........................................................................................107
Emergency Calls............................................................................................................108
Emergency Dial via Authorized Call menu.................................................................108
Emergency Dial via Duress Button............................................................................109
Enhanced Feature Keys ................................................................................................111

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Guidelines for Configuring Enhanced Feature Keys..................................................112
Understanding Macro Definitions ..............................................................................115
Macro Action.............................................................................................................115
Prompt Macro Substitution........................................................................................117
Expanded Macros.....................................................................................................118
Special Characters....................................................................................................118
Features Softkey Menu Options Customization..........................................................120
Example Softkey Configurations ...............................................................................122
Handsfree Settings........................................................................................................125
Bluetooth Headset Support.......................................................................................126
Language Support.........................................................................................................126
Local Contact Directory.................................................................................................129
Provisioning the Seed Directory................................................................................130
Configuring the Contact Directory .............................................................................132
Editing the Users’ MACaddress-directory.xml File.....................................................133
Specialized Caller Treatments...................................................................................133
Location Services (Ekahau) ..........................................................................................135
Microsoft Exchange Calendar Integration....................................................................136
Open Application Interface ...........................................................................................138
Passwords –User and Administrator...........................................................................139
Personal Alarms ............................................................................................................141
Administrator Configurable Options...........................................................................142
User Experience........................................................................................................144
Integration with Third Party Applications ...................................................................147
XML API Detail..........................................................................................................151
Viewing an Alarm Event............................................................................................151
Configuration Template.............................................................................................152
Phone Lock ....................................................................................................................153
Provisional Polling of Spectralink Handsets ...............................................................155
Push-to-talk and Group Paging ....................................................................................156
Push-to-talk...............................................................................................................157
Group Paging............................................................................................................159
Quick Barcode Connector Application.........................................................................161
Registrations..................................................................................................................161
Multiple Registrations................................................................................................164
Multiple Concurrent Calls..........................................................................................165
Flexible Call Appearances.........................................................................................167
User Profiles...................................................................................................................167
Placing Authorized (Emergency) Calls without Logging In.........................................169
Voicemail Integration.....................................................................................................170
<voIpProt/>.....................................................................................................................172
Web Browser..................................................................................................................178
<mb/>........................................................................................................................181
<oai/>........................................................................................................................182

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Chapter 9: Web Application Parameters................................ 183
Application menu configuration <apps.>.....................................................................183
Web browser parameters <mb.>...................................................................................184
State Polling Parameters <apps.statePolling.> ...........................................................185
Push Request Parameters <apps.push.>.....................................................................185
Telephony Notification Parameters (apps.telNotification.>........................................187
Open Application Interface parameters <oai.> ............................................................189
Sample Configurations..................................................................................................189
Push..........................................................................................................................189
Telephony Notifications.............................................................................................190
State Polling..............................................................................................................190
Personal Alarms........................................................................................................191
Chapter 10: System-Level Parameters.................................. 192
Configuration File Encryption.......................................................................................192
Understanding Digital Certificates ...............................................................................193
About Digital Certificates...........................................................................................195
Types of certificates..................................................................................................195
Configuring certificates..............................................................................................196
Generating a Certificate Signing Request .................................................................207
Downloading Certificates to a Spectralink Phone......................................................208
DNS SIP Server Name Resolution ................................................................................208
Behavior When the Primary Server Connection Fails................................................209
Incoming Signaling Validation......................................................................................211
Instant Messaging..........................................................................................................212
IP Type-of-Service..........................................................................................................215
<qos/>.......................................................................................................................215
Logging Parameters......................................................................................................216
<level/> <change/>and<render/> ..............................................................................217
<sched/>...................................................................................................................218
Microsoft Skype for Business Integration....................................................................219
Network Address Translation (NAT).............................................................................219
Provisioning Server System Settings...........................................................................220
<request/> ......................................................................................................................221
Security <sec/> ..............................................................................................................221
<srtp/>.......................................................................................................................221
<dot1x><eapollogoff/>...............................................................................................222
Secure Real-Time Transport Protocol..........................................................................222
Server Redundancy.......................................................................................................225
Terminology..............................................................................................................225
About the Optional Failover Behaviors......................................................................226
Fallback Deployments...............................................................................................229
Failover Deployments ...............................................................................................230

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DNS Server Unavailability.........................................................................................230
Redundancy Parameters...........................................................................................230
Supporting 802.1X Authentication................................................................................233
<tcpIpApp/>....................................................................................................................235
<dhcp/>.....................................................................................................................235
<dns/>.......................................................................................................................235
<ice/>........................................................................................................................235
<keepalive/>..............................................................................................................236
Tones <tones/> ..............................................................................................................237
<chord/>....................................................................................................................237
Web Configuration Utility..............................................................................................238
<httpd/>.....................................................................................................................238
Chapter 11: Special Use Cases........................................... 239
Acoustic Echo Cancellation..........................................................................................239
Audio Codecs.................................................................................................................239
Band Steering ................................................................................................................240
Bridged Line Appearance..............................................................................................242
Local Digit Map ..............................................................................................................243
Understanding Digit Map Rules.................................................................................244
Location Values for E.911 Services..............................................................................249
Real-Time Transport Protocol Ports.............................................................................250
Shared Line Appearances.............................................................................................251
Shared Call Appearance Signaling............................................................................252
Static DNS Cache...........................................................................................................253
Using Static DNS Cache for Redundancy.................................................................258
DNS Cache <dns/>.........................................................................................................259
NAPTR <NAPTR/>....................................................................................................259
SRV <SRV/>.............................................................................................................260
A <A/>.......................................................................................................................260
Voice Activity Detection................................................................................................264
Part IV: Troubleshooting and Maintaining your
Deployment................................................. 265
Chapter 12: Troubleshooting Your Spectralink Handsets .......... 266
Troubleshooting Flow Diagram ....................................................................................267
Understanding Error Message Types...........................................................................268
Updater Error Messages...........................................................................................268
Spectralink Software Error Messages .......................................................................270
Status Menu ...................................................................................................................275
Log Files.........................................................................................................................276

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Logging Modules.......................................................................................................278
Major categories of WLAN entries.............................................................................278
Managing the Phone’s Memory Resources .................................................................280
Identifying Symptoms................................................................................................280
Checking the Phone’s Available Memory ..................................................................281
Managing the Phone Features..................................................................................282
Testing Phone Hardware...............................................................................................283
Uploading a Phone’s Configuration .............................................................................284
Network Diagnostics .....................................................................................................284
Network Protocols and Ports Used on Spectralink Handsets....................................285
Power and Startup Issues.............................................................................................286
Key Pad Issues ..............................................................................................................286
Screen and System Access Issues ..............................................................................287
Calling Issues.................................................................................................................287
Display Issues................................................................................................................288
Audio Issues ..................................................................................................................288
Upgrading Issues...........................................................................................................289
Chapter 13: Miscellaneous Maintenance Tasks....................... 291
Encrypting Configuration Files.....................................................................................291
Comparing encrypted and unencrypted files .............................................................295
Decrypting existing configuration files .......................................................................295
Changing an existing key..........................................................................................296
Log messages...........................................................................................................296
Multiple Key Combinations...........................................................................................297
Rebooting the Phone ................................................................................................297
Resetting to factory defaults......................................................................................298
Updating log files.......................................................................................................298
Setting base profile ...................................................................................................298
Default Feature Key Layouts.........................................................................................299
Parsing Vendor ID Information .....................................................................................300
Product Model Number and Hardware ID Mapping.....................................................301
Capturing the Phone’s Current Screen ........................................................................302
Part V: Appendices........................................ 303
Appendix A: Ringtone Pattern Names and Sound Effects Parameters
.................................................................................. 304
Ringer Patterns..............................................................................................................304
Ring Tones <rt/> ............................................................................................................305

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Appendix B: Session Initiation Protocol (SIP) Information......... 307
RFC and Internet Draft Support ....................................................................................307
Request Support.......................................................................................................309
Header Support.........................................................................................................309
Response Support ....................................................................................................312
Hold Implementation.................................................................................................314
Reliability of Provisional Responses..........................................................................315
Transfer ....................................................................................................................315
Third party call control...............................................................................................315
SIP for Instant Messaging and Presence ..................................................................315
Appendix C: Open Source Information ................................. 316
OFFER for Source for GPL and LGPL Software ..........................................................316
Contact Information for Requesting Source Code .....................................................316
Appendix D: Library of <device/> Settings............................. 317
Appendix E: Trusted Certificate Authority List........................ 324
Appendix F: Spectralink Certificates ................................... 335

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About This Guide
This Spectralink 84-Series Administration Guide provides advanced instructions for installing,
provisioning, and administering Spectralink handsets. It is a companion to the Spectralink
84-Series Deployment Guide which is your essential reference for understanding how to
provision and deploy Spectralink 84-Series handsets in any environment. This guide expands
upon the information provided in the Deployment Guide and provides additional data about how
the software works and provides descriptions of all applicable parameters. Specifically, this
Administration Guide will help you perform the following tasks:
Install and configure your handset on a network server or Web server
Configure your handset’s features and functions
Configure your handset’s user settings
Troubleshoot common handset issues
Who Should Read This Guide?
System administrators and network engineers should read this guide for advanced information
on configuring and understanding Spectralink 84-Series handsets. This guide describes
administration-level tasks and is not intended for end users.
Before reading this guide, you should be familiar with the following:
The information in the Spectralink 84-Series Deployment Guide is not duplicated in this
document. This document expands upon the basic configuration settings in the
Deployment Guide and this document assumes you are familiar with Deployment Guide
information.
Computer networking and driver administration for your operating system
An XML editor
The XML-based configuration file format that the Spectralink Software and its supported
handsets use.
What’s New in This Guide
The content in this guide has been significantly revised from the Polycom UCS version for use
with the Spectralink 84-Series handsets. It is designed for clarity and to provide more
information to system administrators who are already familiar with deploying Spectralink
84-Series handsets.

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Recommended Software Tools
Spectralink recommends that you use an XML editor –such as XML Notepad –to create and
edit configuration files. In this way, all configuration files that you create will be valid XML files.
If the configuration files are not valid XML, they will not load on the handset and an error
message will be logged to the provisioning server.
See the Spectralink 84-Series Deployment Guide for a discussion on XML editor options,
usefulness and limitations.
Reading the Feature Parameter Tables
Each of the feature descriptions discussed in Part III: Configuring Features includes a table of
parameters that you configure to make the features work. Although there are three provisioning
methods you can use to configure a feature: a centralized provisioning server, the Web
Configuration Utility, or the local handset user interface, this document emphasizes the central
provisioning server method. It is the preferred method for deploying advanced configurations
such as those covered in this document as it is the only method that is available for every
feature. The Web Configuration Utility and the local handset user interface do not provide
access to all features.
The central provisioning server method requires you to configure parameters located in
template configuration files that Spectralink provides in XML format.
We recommend using the search feature of your XML editor to locate the parameters you need
to find.
Product Support
Spectralink wants you to have a successful installation. If you have questions please contact the
Customer Support Hotline at 1-800-775-5330.
The hotline is open Monday through Friday, 6 a.m. to 6 p.m. Mountain time.
For Technical Support: mailto:[e-mail]
For Knowledge Base: http://support.spectralink.com
For Return Material Authorization: mailto:[e-mail]

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Spectralink References
All Spectralink documents are available at http://support.spectralink.com.
To go to a specific product page:
Select the Product Category and Product Type from the dropdown lists and then select the
product from the next page. All resources for that particular product are displayed by default
under the All tab. Documents, downloads and other resources are sorted by the date they were
created so the most recently created resource is at the top of the list. You can further sort the
list by the tabs across the top of the list to find exactly what you are looking for. Click the title to
open the link.
Specific Documents
Spectralink 84-Series Wireless Telephone Deployment Guide This document introduces
deployment concepts and the methods of provisioning the 84-Series handsets in any type of
facility. It is the fundamental text and a prerequisite to this Administration Guide, especially for
administrators who are new to the Spectralink 84-Series handsets or who may wish a refresher
course.

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Spectralink Deploying Enterprise-Grade Wi-Fi Telephony This document covers the security,
coverage, capacity and QoS considerations necessary for ensuring excellent voice quality within
enterprise Wi-Fi networks.
Best Practices Guide to Network Design Considerations for Spectralink Wireless Telephones
This document provides recommendations for ensuring that a network environment is
adequately optimized for use with Spectralink Wireless Telephones. It provides detailed
information on wireless LAN layout, network infrastructure, QoS, security and subnets and
identifies issues and solutions based on Spectralink’s extensive experience in enterprise-class
Wi-Fi telephony. This document has a brief discussion about wireless security.
Understanding Wireless Security on Your Spectralink 84-Series Wireless Phones
Provides more information and assistance in determining which security method to use.
Barcode Administration Guide Provides information about barcode symbologies and how to
configure and implement the barcode feature on the handset. The Spectralink 84-Series User
Guide also contains information about using the barcode feature.
Quick Barcode Connector Administration Guide Provides instruction for implementation of the
barcode application. The Spectralink 84-Series User Guide also contains information about
deploying the barcode feature.
The Spectralink 84-Series User Guide offers comprehensive instructions on using each of the
features deployed on the handsets.
For information on IP PBX and softswitch vendors, see the Spectralink 84-Series Call Server
Interoperability Guide.
For information about combining Polycom desksets and Spectralink 84-Series handsets in the
same facility, see the Interoperability Guide: Spectralink 84-Series Wireless Telephones and
Polycom Desksets.
AP Configuration Guides explain how to correctly configure access points and WLAN controllers
(if applicable) and identify the optimal settings that support Spectralink 84-Series handsets.
Technical Bulletins and Feature Descriptions explain workarounds to existing issues and
provides expanded descriptions and examples.
Release Notes describe the new and changed features, and resolved issues in the latest
version of the software. Find them in the Downloads section of the support site.
Spectralink 84-Series Wireless Telephones Web Developer’s Guide assists with the
development of applications that run on the browser on the Spectralink 84-Series Wireless
Handsets.
Spectralink 8000 Open Applications Interface (OAI) Gateway Administration Guide provides
information about deploying third party applications through the OAI gateway interface.
For other references, look for the Web Info icon throughout this Administration Guide.

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Conventions Used In This Document
Icons
Icons indicate extra information about nearby text.
Warning
The Warning icon highlights an action you must perform (or avoid) to avoid
exposing yourself or others to hazardous conditions.
Caution
The Caution icon highlights information you need to know to avoid a hazard that
could potentially impact device performance, application functionality, successful
feature configuration and/or affect handset or network performance.
Note
The Note icon highlights information of interest or important information that will
help you be successful in accomplishing a procedure or understanding a concept.
Tip
The Tip icon highlights information that may be valuable or helpful for users to
know, such as special techniques, shortcut methods, or information that will make
user tasks easier to perform.
Web
The Web Info icon highlights supplementary information available online such as
documents or downloads on support.spectralink.com or other locations.
Timesaver
A time-saving tip is typically used to mention or highlight a faster or alternative
method for users who may already be familiar with the operation or method being
discussed.
Admin Tip
This tip advises the administrator of a smarter, more productive or alternative
method of performing an administrator-level task or procedure.

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Power User
A Power User Tip is typically reserved for information directed specifically at high-
level users who are familiar with the information or procedure being discussed and
are looking for better or more efficient ways of performing the task. For example,
this might highlight customization of a feature for a specific purpose.
Troubleshooting
This element can be used in any type of document and is typically used to highlight
information to help you solve a relevant problem you may encounter, or to point to
other relevant troubleshooting reference information.
Settings
The Settings icon highlights information to help you zero in on settings you need to
choose for a specific behavior, to enable a specific feature, or access
customization options.
Writing Conventions
Convention
Description
<MACaddress>
Indicates that you must enter information specific to your installation, phone, or
network. For example, when you see <MACaddress>, enter your phone’s 12-digit
MAC address. If you see <installed-directory>, enter the path to your installation
directory.
>
Indicates menu navigation. For example, Settings> Basic indicates that you need
to select Basic from the Settings menu.
parameter.*
Used for configuration parameters. If you see a parameter name in the form
parameter.* , the text is referring to all parameters beginning with parameter.

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Part I: Getting Started
Part I gives you an overview of the Spectralink 84-Series handsets and of the Spectralink
Software.

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Chapter 1: Welcome to the Spectralink
84-Series Handsets
This chapter introduces Spectralink 84-Series handsets used with Spectralink Software version
4.2.0 and above.
The Spectralink family of handsets provides a powerful, yet flexible wireless IP communications
solution for Ethernet TCP/IP networks. Not only do the handsets deliver excellent voice quality,
but also come with a high-resolution graphic display screen for call information, multiple
languages, directory access, and system status. The handsets can also support advanced
functionality, including multiple call and flexible line appearances, HTTPS secure provisioning,
presence, custom ringtones, and local conferencing.
Note: Indoor use only
This device is intended for indoor use only.
Caution: Product compatibility/safety
Spectralink 84-Series handsets are intended for operation only with Spectralink 84-
Series battery packs and Spectralink 84-Series chargers. These Spectralink
components are critical to product safety certification and may not be substituted.
Representative samples of the Spectralink 84-Series handsets, battery packs and
chargers have been tested as a complete system by an independent testing
organization and have been certified by that organization to meet applicable safety
standards. Use or operation of the Spectralink 84-Series handsets with batteries or
chargers other than those authorized by Spectralink has not been tested or safety
certified. Spectralink 84-Series handsets, battery packs or chargers used or
operated with products not authorized by Spectralink are not covered by the
Spectralink Limited Product Warranty.
Caution: Use authorized components only
Only Spectralink 84-Series battery packs and Spectralink 84-Series chargers are
authorized for use or operation with Spectralink 84-Series handsets.
Only Spectralink 84-Series battery packs are authorized for use or operation with a
Spectralink 84-Series charger and are not authorized to be used or operated in any
other charger.
Spectralink 84-Series Wireless Telephones were originally developed in conjunction with
Polycom Inc. In September 2012 the Spectralink 84-Series Wireless Telephone software code
and Polycom UCS deskset software code were split into two separate streams. The same code
no longer serves both Spectralink Wireless Telephones and Polycom wired desksets.

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Using Spectralink Handsets and Polycom Desksets in a combined
environment
Special configuration steps need to be taken in environments where both
Spectralink and Polycom phones are deployed. For more information on using
Spectralink 84-Series handsets and Polycom wired desksets in a facility see the
Interoperability Guide: Spectralink 84-Series Wireless Telephones and Polycom
Desksets.
From an administrator’s perspective, the handsets are endpoints in an overall network topology
designed to interoperate with other compatible equipment including application servers, media
servers, internet-working gateways, voice bridges, and other end points.
If you want to begin setting up your Spectralink handsets on the network, go to Setting Up Your
Device Network.
If you want to begin configuring the features available for your Spectralink handsets, go to Part
III: Configuring Features.
Support for Spectralink Handsets
You can find all documentation for all Spectralink handsets on Spectralink Support
Website. For more information, contact your Spectralink distributer.
Spectralink 8440/8441
Spectralink 8450/8452/8453

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Key Features of your Spectralink Handsets
Spectralink handsets running Spectralink Software include the following key features:
Award winning sound quality with a full-duplex speakerphone
○Permits natural, high-quality, two-way conversations
○Supports HDVoice
Easy-to-use
○An easy transition from traditional PBX systems into the world of IP Communications
○Four context-sensitive softkeys for further menu-driven activities
Platform independent
○Supports multiple protocols and platforms enabling standardization of one handset
for multiple locations, systems, and vendors
Faster Boot Time
○The time between handset reboot and obtaining a dial tone has been noticeably
reduced.
Field upgradeable
○Upgrade handsets as standards develop and protocols evolve
○Extends the life of the handset to protect your investment
○Application flexibility for call management and new telephony applications
Large LCD
○Easy-to-use, easily readable, and intuitive interface
○Support of rich application content, including multiple call appearances, presence
and instant messaging, and XML services
○240 x 320 pixel graphical color LCD
Multiple language support
○Set on-screen language to your preference. Select from Chinese (Simplified and
Traditional), Danish, Dutch, English (Canada, United Kingdom, and United States),
French, German, Italian, Japanese, Korean, Norwegian, Polish, Portuguese
(Brazilian), Russian, Slovenian, Spanish (International), and Swedish.
Web Browser
○Supports a subset of XHTML constructs that run like any other Web browser
XML status/control API
○Ability to poll handsets for call status and device information
○Ability to receive telephony notification events