SpectraLink 8002 Wireless Telephones Configuration and Administration (SIP)
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.
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 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
2 PN: 1725-36034-001_B.doc
Essential Installation Pointers
You must update the software with the most recent code.
• Visit http://www.polycom.com/usa.en/support/voice/wi-fi/spectralink_8002_wireless.html.
Additional information about updating handset code is in Chapter 3 Software License and Protocol Management.
WMM QoS must be supported and enabled on the Wi-Fi access point(s).
• When using the SpectraLink 8002 Wireless Telephones, WMM QoS is mandatory to ensure
voice packets are delivered in a timely fashion. The AP must have WMM enabled. If WMM is
not enabled or if the AP does not support it, the handset will stop and display an error (e.g.
No Net Found) after firmware update.
• Be aware that not all APs enable WMM by default. In fact, many APs require updated
firmware to support WMM. Follow the AP’s manufacturer instructions to ensure WMM is
supported and enabled.
Data APs may not support VoWiFi.
• The 8002 handset has been tested with many SMB access points. We have found that
VoWiFi performance varies between AP models and even firmware versions. An AP being
used for data does not guarantee satisfactory Voice over Wi-Fi performance.
• We recommend that you update to the latest AP firmware version if possible. If you
experience unexpected behaviors, try a different AP type.
A TFTP server must be on the local network with the SIP configuration files present.
• A TFTP server is a required component of the LAN. The SIP configuration files (and the
handset code) reside on the TFTP server and the handset retrieves the SIP files at every
power up. It is not recommended or supported to have the TFTP server or call-server across
a WAN.
• The handset must be configured to point to a TFTP server for the SIP configuration files.
This is accomplished by setting the handset for DHCP or by using static IP addressing. See
Chapter 2 SpectraLink 8002 Wireless Telephone Configuration, section Network Config.
• If the handset cannot find the files, it will stop and report an error.
A knowledge base to assist troubleshooting is available at:
http://knowledgebase.polycom.com/
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About this Guide
This document explains how to configure and maintain the
SpectraLink 8002 Wireless Telephones with Session Initiation Protocol
(SIP); a protocol for the control of voice over IP (VoIP) calls.
Polycom Model Numbers
This document covers the following registered model number:
SNP2400
Related Documents
SpectraLink 8002 Wireless Telephone and Accessories User Guide.
(1725-36027-001)
Open Application Interface (OAI) Specification
(72-0052-00)
Technical specifications available by request.
Please contact Customer Support.
.
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SpectraLink 8002 Wireless Telephones Configuration and Administration (SIP)
Customer Support Hotline
Polycom 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.
Icons and Conventions
This manual uses the following icons and conventions.
Caution! Follow these instructions carefully to avoid danger.
Label
Note these instructions carefully.
This typeface indicates a key, label, or button on Polycom
hardware.
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Contents
0 About this Guide ......................................................................5
12 Index .....................................................................................99
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SpectraLink Wireless Telephone
Overview
SpectraLink 8002 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.
1
The handsets reside on the wireless LAN with other wireless devices
using direct sequence spread spectrum (DSSS) radio technology.
Access points that transmit these signals must use WMM for QoS. 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. If required, each handset may have multiple sets of
credentials to identify itself by current user.
The latest software versions are required to support the features
described in this document.
WMM-Compatible Access Points
SpectraLink 8002 Wireless Telephones support basic WMM™ as part
of the 802.11e protocol. The handset requires an AP that supports
WMM
The WMM specification for the SpectraLink 8002 Wireless Telephone
does not accommodate admission control. The AP may not use the
mechanism of admission control in the wireless environment where
SpectraLink 8002 Wireless Telephones are operating.
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SpectraLink 8002 Wireless Telephones Configuration and Administration (SIP)
WMM must be enabled when configuring access points for the
SpectraLink 8002 Wireless Telephones. The handset will not work
properly if WMM is not enabled.
Refer to the access point manufacturer’s directions for instructions
on enabling WMM.
Visit the Wi-Fi Alliance website www.wi-fi.org to search for APs that
support WMM.
Security Options
The SpectraLink 8002 Wireless Telephone supports Wired Equivalent
Privacy (WEP) as defined by the 802.11 specification. Polycom offers
the product with both 40-bit and 128-bit encryption.
SpectraLink 8002 Wireless Telephones also support the 802.11i
protocol including Wi-Fi Protected Access (WPA™ and WPA2™)—
PSK.
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Quick Start Guide
1. A wireless LAN must be properly configured and operational
through the use of 802.11 wireless APs. Ensure WMM is enabled
on the APs.
2. Configure a TFTP server on the LAN. The TFTP server is used to
load the handset software and SIP configuration files into the
handsets. See Chapter 2
Configuration
3. The supported SIP system components must be connected to your
fi/spectralink_8002_wireless.html to download the latest handset
software and example SIP configuration files.
SpectraLink 8002 Wireless Telephone Overview
SpectraLink 8002 Wireless Telephone
for DHCP information.
5. Ensure the handset software is properly loaded on the TFTP
server that has been designated for the handset code. See Chapter
3 Software License and Protocol Management, section Configuration Process.
6. Create/modify configuration files on the SIP TFTP server to
define parameters for the SIP application. See Chapter 4
Programming the SIP Handset Features, section
SIP TFTP
Server
Configuration Files. The TFTP server may be the same one
referenced in step 2 above.
7. Configure your handset per Chapter 2
Telephone Configuration
. Ensure these configuration options are
SpectraLink 8002 Wireless
set:
— Regulatory Domain
— SIP Registration, Reg 1 and Login
— IP Addresses: DHCP or static for each listed component,
including SIP TFTP server and TFTP server.
— Security
— Preferred Channels
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SpectraLink 8002 Wireless Telephones Configuration and Administration (SIP)
System Diagram
The following diagram shows the SpectraLink components residing
on a network with APs and a wireless LAN Ethernet Switch.
Access point
Access point
Handset code
TFTP server
SIP Server(s)
SIP proxy or SIP B2BUA
SIP config files
Ethernet switch
internet
Optional SIP
Phones
Supplied by
Polycom
14 PN: 1725-36034-001_B.doc
Ethernet cable
System Components
SpectraLink 8002 Wireless Telephone
The SpectraLink 8002 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.
SpectraLink 8002 Wireless Telephones use direct-sequence spread
spectrum radio technology (DSSS) to transmit audio packets over
wireless LAN APs that support WMM.
Access points
SpectraLink 8002 Wireless Telephone Overview
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.
Access points must
admission control must
support WMM, WMM must be enabled and
be disabled.
Ethernet switch
Interconnects multiple network devices, including 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 SpectraLink 8002 Wireless
Telephones.
Although a single Ethernet switch network is recommended, the
handsets 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 that 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 SpectraLink 8002 Wireless Telephones cannot “roam”
from one subnet to another. If routers and multiple subnets are in use,
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SpectraLink 8002 Wireless Telephones Configuration and Administration (SIP)
the handsets must 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 SIP proxy server connects to another device such as a PBX or
gateway and from there, other wired phones and the PSTN.
The SpectraLink 8002 Wireless Telephone has been tested and
certified with Digium® Asterisk® Business Edition server.
SIP phone
The optional wired-LAN desksets such as those provided by
Polycom.
TFTP server
A TFTP server is required in the system to distribute software to the
handsets. May be on a different subnet than the gateway and/or APs.
SIP TFTP server
A SIP TFTP server is 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 Chapter 2
SpectraLink 8002 Wireless Telephone Configuration, section The Admin
Menu.) Normally, the SIP TFTP server is the same as the network
TFTP server, see above.
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Handset Specifications
SpectraLink 8002 Wireless Telephone Overview
SpectraLink 8002 Wireless Telephone
Radio frequency: 2.4000 – 2.4835 GHz
Transmission type: Direct-sequence spread spectrum (DSSS)
Transmit data rate: Up to 11 Mb/s
Radio QoS: WMM
Wireless security:
FCC certification: Part 15.247
Management: DHCP, TFTP
Voice encoding: G.711 (A- and mu-law),
VoIP Protocols: SIP
Transmit power: 100 mW peak, < 10 mW a verage
Display:
Dimensions: 5.5” x 2.0” x 0.9” (14.0 x 5.1 x 2.3 cm)
Weight: 4.2 ounces (119.0 g)
Battery capacity: Up to 3 hours talk time, up to 50 hours standby
Wired Equivalent Privacy (WEP), 40-bit and 128-bit, WPA-PSK,
WPA2-PSK
Pixel-based (up to 4-line x 18-character) alphanumeric, plus line and
status indicators.
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SpectraLink 8002 Wireless Telephones Configuration and Administration (SIP)
Startup Sequence
The SpectraLink 8002 Wireless Telephone goes through an
initialization sequence at startup. The line icons 1-9 display and count
down as the handset steps through this sequence. This is usually very
rapid. If there is difficulty at any step that prevents initialization from
continuing, an error message will display and the related icon(s) will
stay on. Please see the error table at the back of this document for
instructions on how to handle error messages that occur during
initialization.
Icon The icon(s) shown in bold turns off when:
123456789
12345678
1234567
123456Indicates Static IP configuration.
12345
1234The LAN connection is complete.
123The handset has located a generic SIP config file.
12The handset has located a handset-specific SIP config file.
(no icons)
Registering
(no icons)
EXT.
XXXXX
The handset has located and authenticated and associated with at least one AP, and is
proceeding to bring up higher-layer networking functions.
The handset is either configured for Static IP, or if configured for DHCP, the DHCP
discovery process has started.
If DHCP is configured, a DHCP response was received which contains a good DNS
server configuration.
All networking functions are complete (notably, DHCP) and the handset is establishing
its connection to the LAN.
Handset is attempting to register each of the specified line contacts.
Handset has registered with at least one contact on one proxy server. Initialization is
complete. The handset is in standby mode ready to receive and place calls. The line one
contact is displayed.
During the last three steps of this process, the handset contacts the SIP
TFTP server and downloads general information about the proxy
server(s), downloads specific information pertaining to the handset,
registers with the proxy server(s), and verifies handset credentials.
Once this process is complete, the handset is ready to use.
18 PN: 1725-36034-001_B.doc
SpectraLink 8002 Wireless Telephone Overview
If the username and password have not been defined in the Admin
menu, you will be prompted to enter both of these items before the
extension number can display. The user name must correspond to a
handset-specific configuration file. If the file is not found, an error
message will appear and the handset will restart. See Chapter 4
Programming the SIP Handset Features.
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SpectraLink 8002 Wireless
Telephone Configuration
Each SpectraLink 8002 handset may be configured for site-specific
requirements by opening the Admin menu and selecting options or
entering specific information. Any settings entered in the Admin
menu must conform to system settings. Only the handset being
configured is affected by the Admin menu settings.
The Wireless Telephone user may select several usability options from
the Standby menu, described below in the User-defined Preferences
section. This information is also provided in the end-user manual.
2
The SpectraLink Configuration Cradle is an accessory device
designed to automate configuration of SpectraLink 8002 Wireless
Telephones. The Configuration Cradle is connected to a PC via a
serial cable. A downloadable Configuration Cradle program runs on
the PC and enables the system administrator to establish and store
configuration options for system, group and user categories. A
configuration plan may be set up in the program and downloaded
into a handset or a configured handset may be placed in the cradle
and its configuration may be uploaded and edited or saved.
Please see your service representative or contact Polycom Customer
Service for more information about this time-saving device.
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SpectraLink 8002 Wireless Telephones Configuration and Administration (SIP)
The Admin (Administration) Menu
The Admin menu contains configuration options that are stored
locally (on each handset). Each handset is independent, and if the
default settings are not desired, the Admin menu options must be set
in each handset requiring different settings.
Opening the Admin menu
1. With the handset powered off, press and hold the Power Off key.
While holding the
key.
2. The Admin menu displays.
If an Admin password has been set, the display will require its entry
before opening the Admin menu. The default password is 123456. If
no password is set, the display will proceed directly into the Admin
menu.
Power Off key, press and release the Power On
Entering and editing Admin menu options
An asterisk (*) next to an option on the display indicates that it is
selected. Use the
Up, Down, and Select side buttons and the softkeys to
navigate and select:
Up/Down button:
Select button:
OK softkey:
Save softkey:
Bksp softkey:
Cncl softkey:
Up softkey:
Exit softkey:
End Call key:
Display previous/next menu item.
Selects the menu item or option.
Selects the menu item or option.
Saves the entry.
Backspaces to allow editing of entry.
Cancels edit and returns to previous menu level.
Returns to previous menu level.
Exits the menu (at the top level).
Exits to standby mode (from any level)
Alphanumeric string entry
1. Press the first digit/letter. The digit displays. Press the key again
to scroll through the letters associated with that key.
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SpectraLink 8002 Wireless Telephone Configuration
Example: if the 2 key is repeatedly pressed, the handset will
display
2, A, B, and C, then a, b, and c.
The following table shows which key will allow you to enter nonnumeric characters or other characters not represented on the keypad.
2. When the correct entry displays, press the right arrow key (#) to
move on to the next character. Repeat for each digit/letter of the
entry. To erase, press the left arrow key (
*) or Bksp softkey to erase
the previous character.
3. Press the
Press the
Save softkey to save the entry.
Up softkey to abort and return to the menu without
saving any changes.
The following table lists the Admin menu items. The default settings
are shown in the table below with an * prior to the option. Detailed
descriptions of each item appear below the table.
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SpectraLink 8002 Wireless Telephones Configuration and Administration (SIP)
Diagnostics Run Site Survey Diagnostics Mode Diagnostics On
*DiagnosticsOff
Syslog Mode*Disabled
Errors Events Full
Restore Defaults
* default setting
†
50 mW and 30 mW only appear if Regulatory Domain is set to None or 01.
‡
Available channel selections depend on domain setting.
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SpectraLink 8002 Wireless Telephones Configuration and Administration (SIP)
Phone Config
License Option
The License Option indicates the VoIP protocol that your site is
licensed to download and run. The SIP protocol used for the
SpectraLink 8002 Wireless Telephones requires license option
selection
SIP Registration
Individual handsets can be configured to correspond with a handsetspecific configuration file in the TFTP server. The handset is then
automatically identified at startup.
If the username and password information is not configured in the
Admin menu, then this information will be requested at startup. The
username and password entered must agree with a corresponding
handset-specific configuration file. See Chapter 4 Programming the SIP Handset, section SIP TFTP Server Configuration Files.
22.Any other protocol will cause the handset to malfunction.
Reg 1 and Login allows you to specify a username and password for
automatically acquiring SIP configuration information. If no
username is specified, the SIP handset will request username and
password at startup and any additional registrations specified here
are ignored.
The username should correspond to the primary (line 1) dial number
assigned to the user. The username and password should also
correspond to the authentication credentials as created by your
system administrator for your primary line registration. Usernames or
passwords can be erased by selecting the item, then pressing
softkey and then
Reg 2, Reg 3, and Reg 4 allow you to specify additional authentication
Save softkey.
Bksp
usernames and passwords that may be required by your handset for
any additional line appearances (registrations) that may appear in the
specific user’s configuration file. This information will be ignored if a
Reg 1 and Login username is not provided.
OAI On/Off
SpectraLink’s Open Application Interface (OAI) enables third-party
computer applications to display alphanumeric messages on the
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SpectraLink 8002 Wireless Telephone Configuration
handset display and take input from the handset keypad. Refer to the
OAI Specification documentation for information about administering
the OAI Gateway and the services it can provide.
If OAI is enabled, and an IP address (called the
OAI Server IP) is
available to the handset (either via DHCP or Static IP configuration),
the handset will communicate with the OAI Gateway at power-on,
and periodically while it is powered-on. If you don’t have a
SpectraLink 8000 OAI Gateway installed at your site, you should
disable the OAI feature to preserve network bandwidth and battery
life.
To conserve handset battery life, do not enable OAI unless an OAI
gateway is present and an application is available.
Admin Password
The Admin Password controls access to the administration functions
in the Admin menu. The password must be set in each handset for
which controlled access is desired. Handsets are shipped without any
Admin menu password. Data entry for the password uses the
alphanumeric string entry technique. A password may be up to 32
characters. Type the password and press the
confirmation prompt will appear. Type the password again and press
Save softkey. If the passwords match, the Admin password has
the
been set.
Save softkey. A
If you Save with no entry, the password is erased and the display will
not require it before displaying the Admin menu.
Network Config
IP Address
There are two modes in which the handset can operate: DHCPenabled or Static IP. Select the mode for operation from the IP
Address menu:
* Use DHCP Will use Dynamic Host Configuration Protocol to assign
an IP Address each time the handset is turned on. If DHCP is enabled,
the handset also receives all other IP Address configurations from the
DHCP server.
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SpectraLink 8002 Wireless Telephones Configuration and Administration (SIP)
Dynamic Host Configuration Protocol (DHCP) is a standardized
protocol that enables clients to be dynamically assigned with various
configuration parameters, such as an IP address, subnet mask,
default gateway, and other critical network configuration information.
DHCP servers centrally manage such configuration data, and are
configured by network administrators with settings that are
appropriate for a given network environment. The handset will use
the following DHCP options if DHCP use is enabled.
Option Meaning
1 Subnet mask
3 Default gateway
6 DNS server
7 Syslog server
15 Domain name
66 TFTP server
152 SpectraLink 8000 OAI Gateway
siaddr Boot server or next server
Static IP Allows you to manually set a fixed IP Address. If selected, the
handset will prompt for the IP addresses for each configurable
network component. When entering addresses, enter the digits only
including leading zeroes, e.g. 192.168.001.002. No periods are
required.
Regardless of the mode in which the handset is operating, the
following components are required and must be configured as part of
the SIP system:
Phone IP The IP address of the handset. This is automatically
assigned if DHCP is used. If using Static IP configuration, you
must obtain a unique IP Address for each handset from your
network administrator.
TFTP Server IP The IP address of a TFTP server on your network,
which holds software images for updating the handsets and
contains the handset files. If this feature is configured (not set to
0.0.0.0 or 255.255.255.255) with either Static IP configuration or
using DHCP option 66 (TFTP server), or the boot server/next
server (siaddr) field, the handset will check for newer software
each time it is powered on or comes back into range of your
network. This check takes only a second and ensures that all
handsets in your network are kept up-to-date with the same
version of software.
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SpectraLink 8002 Wireless Telephone Configuration
The TFTP server and the SIP TFTP server may be the same device
with the same IP address or may be different devices with
different IP addresses.
Default Gateway and Subnet Mask Used to identify subnets, when
using a complex network, which includes routers. Both of these
must be configured either with an IP address under Static IP (not
set to 000.000.000.000 or 255.255.255.255) or with DHCP for the
handset to contact any network components on a different subnet.
If configured on the DHCP server, use option 3 for the Default
Gateway and option 1 for the Subnet Mask. Contact the network
administrator for the proper settings for the network.
Note that the wireless telephones cannot “roam” across subnets,
since they cannot change IP addresses while operational. Ensure
that all APs are attached to the same subnet for proper operation.
The handset can change subnets if DHCP is enabled and the
handset is powered-off then back on when within range of only APs
on the new subnet.
Syslog Server IP The IP address of the syslog server. See Chapter 5
Diagnostic Tools
SIP TFTP Server IP The IP address of a TFTP server on your network,
for more information.
which holds SIP configuration files. In static mode, this parameter
must be configured with an IP address. In DHCP mode, the SIP
TFTP server may be specified by defining the address on the DNS
server for the name “siptftp” If this is not defined, the address
specified in option 66 will be used.
The TFTP server and the SIP TFTP server may be the same device
with the same IP address or may be different devices with
different IP addresses.
OAI Server IP The IP address of the SpectraLink OAI Gateway. If
using Static IP configuration, this is simply the IP address of the
SpectraLink OAI Gateway. If DHCP is being used, the handset
will try the DHCP option 152.
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SpectraLink 8002 Wireless Telephones Configuration and Administration (SIP)
Domain Name System (DNS), an industry-standard protocol, locates
computers on an IP-based network. IP networks rely on numberbased addresses to move information on the network. However, it is
easier to remember friendly names than number-based addresses,
so it is necessary to translate user-friendly names into addresses
that the network can recognize. The handset will use DNS to
automatically translate names into IP addresses for the TFTP server.
In DHCP mode, the SIP handset will use DNS to look up an address
for the logical name “siptftp” to locate the SIP TFTP file server. If this
logical name is undefined, then the address specified by option 66 is
used for the SIP TFTP server.
ESSID
Select the option that will enable the handset to acquire APs with the
correct ESSID (Extended Service Set ID, aka SSID) each time it is
turned on.
Note about Automatic Learn options: Broadcast ESSID must be
enabled in the APs for ESSID learning to function when multiple
ESSIDs can be seen by the handset from one location. Overlapping
wireless systems complicate the use of ESSID learning as the handset
in an overlapping area could receive conflicting signals. If this is the
situation at your site, use Static Entry or Learn Once in an area
without overlapping ESSIDs.
* Learn Once Allows the handset to scan all ESSIDs for a DHCP
server. Once either is found, the handset retains the ESSID from
whichever AP it associates with at that point. When overlapping
wireless systems exist, the Learn Once feature allows the handset
to use only the ESSID established at first learn at all subsequent
power ons. This ESSID is retained by the handset until the ESSID
option is reselected in the Admin menu, thus erasing the stored
ESSID..
Learn Always Allows the handset to automatically learn the ESSID
at each power on or loss of contact with the wireless LAN (out of
range). This may be useful if the handset will be used at more than
one site.
Static Entry If the APs do not broadcast their ESSID, or if there are
overlapping wireless systems in use at the site, enter the ESSID
manually.
30 PN: 1725-36034-001_B.doc
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