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June 2008 Edition 1725-36034-001 Version C SpectraLink 8002 Wireless Telephone Administration Guide Session Initiation Protocol (SIP).
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 2 PN: 1725-36034-001_C.doc Trademark Information Polycom® and t he logo design s SpectraLink® LinkPlus Link NetLink SVP Are trademarks and registe red trademarks of Polycom, Inc.
PN: 1725-36034-001_C.doc 3 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 .
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PN: 1725-36034-001_C.doc 5 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.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 6 PN: 1725-36034-001_C.doc 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.
PN: 1725-36034-001_C.doc 7 Contents 0 About this Guide ...................................................................... 5 Polycom Model Numbers ..................................................................5 Related Documents ...............
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 8 PN: 1725-36034-001_C.doc Ring Options ................................................................................ 37 Phone Options ....................................
Contents PN: 1725-36034-001_C.doc 9 Syslog Mode .......................................................................................79 8 Certifying the Installa tion ........................................................ 83 Conducting a site survey .
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PN: 1725-36034-001_C.doc 11 SpectraLink Wireless Telephone Overview SpectraLink 8002 Wireless Telephones are mobile handsets for workplace IP telephone systems. The handsets o perate over an 802.11b wireless Ethernet LAN provid ing users a wireless voice over IP (VoIP) extension.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 12 PN: 1725-36034-001_C.doc WMM must be enabled when configuring access points for t he SpectraLink 8002 Wireless Telephones. The han dset will not work properly if WMM is not enabled.
SpectraLink 8002 Wireless Telephone Overview PN: 1725-36034-001_C.doc 13 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.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 14 PN: 1725-36034-001_C.doc f Verify Set Current ( 022 ). Press Up softkey.
SpectraLink 8002 Wireless Telephone Overview PN: 1725-36034-001_C.doc 15 System Diagram The following diagram shows the SpectraLink components residing on a network with APs and a wireless LAN Ethernet Switch.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 16 PN: 1725-36034-001_C.doc System Components SpectraLink 8002 Wireless Telephone The SpectraLink 8002 Wireless Tele phone is a lightweight, durable handset specifically designed for mobile workplace use within a facility using SIP and an 802.
SpectraLink 8002 Wireless Telephone Overview PN: 1725-36034-001_C.doc 17 the handsets must only use APs attac hed 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.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 18 PN: 1725-36034-001_C.doc Handset Specifications SpectraLink 8002 Wireless Teleph one Radio frequency: 2.
SpectraLink 8002 Wireless Telephone Overview PN: 1725-36034-001_C.doc 19 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 ste ps through this sequence.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 20 PN: 1725-36034-001_C.doc If the username and password have not been defi ned in the Admin menu, you will be prompted to enter both of these items before the extension number can display.
PN: 1725-36034-001_C.doc 21 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.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 22 PN: 1725-36034-001_C.doc The Admin (Administration) Menu The Admin menu contains configur ation options that are stored locally (on each handset).
SpectraLink 8002 Wireless Te lephone Configuration PN: 1725-36034-001_C.doc 23 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 non- numeric characters or other characte rs not represented on the keypad.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 24 PN: 1725-36034-001_C.doc Admin menu Admin Menu Ite ms 2 nd Level 3 rd Level 4 th Level 5 th Level Phone Config License O.
SpectraLink 8002 Wireless Te lephone Configuration PN: 1725-36034-001_C.doc 25 Admin Menu Ite ms 2 nd Level 3 rd Level 4 th Level 5 th Level Reg. Domain None 01 02 04 05 06 Transmit Power *Maximum 50 .
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 26 PN: 1725-36034-001_C.doc Phone Config License Option The License Option indicates the Vo IP protocol that your site is licensed to download and run. The SIP protocol used for the SpectraLink 8002 Wireless Telephones requires license option selection 22 .
SpectraLink 8002 Wireless Te lephone Configuration PN: 1725-36034-001_C.doc 27 OAI On/Off SpectraLink’s Open Application Interface (OAI) enables third-party computer applications to disp lay alphanumeric messages on the handset display and take input from the handse t keypad.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 28 PN: 1725-36034-001_C.doc *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.
SpectraLink 8002 Wireless Te lephone Configuration PN: 1725-36034-001_C.doc 29 network. This check takes only a second and ensu res that all handsets in your network are kept up-to-date with the same version of software.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 30 PN: 1725-36034-001_C.doc Domain Name System (DNS), an industry-standard protocol, locates computers on an IP-based network. IP networks rely on number- based addresses to move information on the network.
SpectraLink 8002 Wireless Te lephone Configuration PN: 1725-36034-001_C.doc 31 Security *NONE disabl es any 802.11 encryption or security authentication mechanisms. For WEP, WPA-PSK and WPA2-PSK set each of the following options to match exactly the settings in the APs.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 32 PN: 1725-36034-001_C.doc WPA2-PSK The security features of WPA2 (Wi-Fi Protected Access) using PSK are available and may be used if supported by the APs in the facility.
SpectraLink 8002 Wireless Te lephone Configuration PN: 1725-36034-001_C.doc 33 Preferred Channel The Preferred Channel option lists the channels that are per mitted within the regulatory domain previously set. To speed up handoff, the handset will look for APs on the preferred channel list first.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 34 PN: 1725-36034-001_C.doc User-defined Preferences (Standby Menu) The following user-defined preferences are also covered in the SpectraLink 8002 Wireless Telephone User Guide .
SpectraLink 8002 Wireless Te lephone Configuration PN: 1725-36034-001_C.doc 35 Standby menu Standby Menu Items 2 nd Le vel 3 rd Level 4 th Level Lock Keys Ring Options Telephone Ring Ring Cadence Off .
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 36 PN: 1725-36034-001_C.doc Standby Menu Items 2 nd Le vel 3 rd Level 4 th Level System Info Phone IP Addr Server IP Addr Firmware Version (Additional options may be present.
SpectraLink 8002 Wireless Te lephone Configuration PN: 1725-36034-001_C.doc 37 Lock Keys When enabled, the Keypad Lock option will lock the keypad immediately. If the keypad is locked, it may be unlocked by the end user pressing the Unlk softkey and then the # key.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 38 PN: 1725-36034-001_C.doc Ring Delay Ring Delay determines how long the vibrate cadence will play before the audible ring starts. If Ring Cadence and Vibrate Cadence are turned off, the Ring De lay option will not appear on the menu.
SpectraLink 8002 Wireless Te lephone Configuration PN: 1725-36034-001_C.doc 39 disabled (the default) or adjusted for a 5, 10 or 20-second delay before locking. System Info Phone IP Addr Displays the IP address currently assigned to the handse t. Server IP Addr Displays the IP address of the Spec traLink OAI Server (if installed).
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PN: 1725-36034-001_C.doc 41 Software License and Protocol Management All SpectraLink 8002 Wireless Teleph ones are shipped from Polycom with SIP software already installed. You may need to downl oad and install updates per the following in structions.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 42 PN: 1725-36034-001_C.doc Configuration Process 1. Download the latest SpectraLink 8002 Wireless Telephone software from http://www.polycom.com/usa.en/support/voice/wi- fi/spectralink_8002_wireless.
Software License and Protocol Management PN: 1725-36034-001_C.doc 43 6. During the second download evolution, the handset receives code from the TFTP server for system configuration and for its own settings. Once this second evolution is complete, the handset is ready to use.
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PN: 1725-36034-001_C.doc 45 Programming the SIP Handset Features In order for the handset to function in the SIP environment, it downloads two files from the root directory of the SIP TFTP server during startup. The first file contains generic system information and is downloaded by every handset during the power-up sequence.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 46 PN: 1725-36034-001_C.doc • Username requirements are: alphanumeric, no spaces, no punctuation, case is ignored, 1-16 characters. • The generic file should contain proxy server information and other SIP system data.
Programming the SIP Handset Features PN: 1725-36034-001_C.doc 47 Proxy server commands Use the following parameters when programming the configuration files. See the sample configuration files following this table for more detailed information. Parameter Value Description Notes PROXYn_ADDR xxx.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 48 PN: 1725-36034-001_C.doc Parameter Value Description Notes PROXYn_REREG_SECS 35 seco nds to 3600 seconds *default 3600 seconds The requested expiration interval in REGISTER request messages.
Programming the SIP Handset Features PN: 1725-36034-001_C.doc 49 Parameter Value Description Notes PROXYn_MAIL_ACCESS name@xxx.xxx. xxx.xxx or Contact to whom the handset should invite to access the mail center. This is the main voicemail dial number.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 50 PN: 1725-36034-001_C.doc Parameter Value Description Notes FAVORITE Dialstring; identifier Phonebook list of numbers accessible from the Favorites menu. Favorites in the allusers file will be present in the Favorites on all handsets.
Programming the SIP Handset Features PN: 1725-36034-001_C.doc 51 Sample Configuration Files Configuration files are illustrated belo w. These files are available as a download from the software update s site and may be customized for your application.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 52 PN: 1725-36034-001_C.doc # PROXYn_MA IL_NOTIFY is from whom w e might get u nsolicited mail center # notificat ions # This opti on is deprec ated and no longer needed in versio ns beyond # e/h340/i640 phones v108.
Programming the SIP Handset Features PN: 1725-36034-001_C.doc 53 # Linux, the OS runnin g Asterisk, has a ARP Cac he flushing mecha nism. This # feature serves to re fresh the AR P Cache for t he 8002 ph ones. For 80 20 and # 8030 pho nes, the ARP Cache is re freshed by th e SVP serv er.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 54 PN: 1725-36034-001_C.doc Sample handset-specific file # Configura tion file fo rmat example # Codec pre ference orde r only. Thi s does not en able/disab le codecs. # (Optional ) can be G.
Programming the SIP Handset Features PN: 1725-36034-001_C.doc 55 # press eve nts. Normall y you want t his to be dis abled for Asterisk but it # depends o n your confi guration and what you wan t to be ab le to do.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 56 PN: 1725-36034-001_C.doc LINE2_CALLI D = Brady, Marsha LINE3 = 3002 LINE3_PROXY = 1 LINE3_CALLI D = Drew, N ancy #LINE4 = 804 #LINE4_PROX Y = 3 #LINE4_CALL ID = Sip Us er 4 #LINE5 = 1014 #LINE5_PROX Y = 2 #LINE5_CALL ID = Sip Us er 5 # Favorite Dial ed Number list.
PN: 1725-36034-001_C.doc 57 Using the SIP Handset The Handset Display Overview When active, the handset screen has six rows that display information in this format: Row # Information prov ided 1 Icons.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 58 PN: 1725-36034-001_C.doc associated with the line is displayed on the hand set by pressing the LINE key.
Using the SIP Handset PN: 1725-36034-001_C.doc 59 Download Indicates that the handset is checking for or downloading code. This icon only appears while the handset is running the over-the-air downloader. It appears to the right of the signal-strength icon in the same location as the voicemail icon.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 60 PN: 1725-36034-001_C.doc The active modes utilize the most bandwidth and battery power. To conserve these resources, return the handset to the standby mode when a call is completed by pressing the End Call key.
Using the SIP Handset PN: 1725-36034-001_C.doc 61 Softkey Name Displayed… Press to… Fwd Forward Definition Prior to entering the first character of a dial number. Delete a previously defin ed forward destination. Or initiate definition of a new forward destination.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 62 PN: 1725-36034-001_C.doc Menus Line menu The Line menu allows you to activate a call on a selected line or to view the status of lines. View the five line appearances by pressing the LINE key.
Using the SIP Handset PN: 1725-36034-001_C.doc 63 destination information before sending the call to the PBX to activate the feature, you can create a Favorite with the access code only.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 64 PN: 1725-36034-001_C.doc Handset Operation Alphanumeric dialing During dialing the carat ( ^ ) indicates the insertion point for the next character. Up to 80 characters may be entered wi th automatic scrolling.
Using the SIP Handset PN: 1725-36034-001_C.doc 65 If you want to… Then… Place a call 1 Press the START key and wait for a dial tone. 2 Dial the numbers and press START .
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 66 PN: 1725-36034-001_C.doc If you want to… Then… Place a call from Favorites menu 1 Press START . 2 Listen for dial tone. 3 Press Favr softkey. 4 Use the side buttons to find and select desired entry.
Using the SIP Handset PN: 1725-36034-001_C.doc 67 If you want to… Then… Place a call on hold Press the Hold softkey. When a call is placed on h old, an equ al character (=) replaces the asteri sk (*) and the Rsme softkey replaces the Hold softkey.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 68 PN: 1725-36034-001_C.doc If you want to… Then… Transfer a call (blind) 1 While in a call , press FCN and then sele ct Transfer (or press the shortcut key 1 ). (The current call will be placed on hol d].
Using the SIP Handset PN: 1725-36034-001_C.doc 69 If you want to… Then… Listen to voicemail When any proxy has outstanding messages, the voicemail icon will display. The LINE menu will display a plus (+) indication when there is a new voicemail for that line.
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PN: 1725-36034-001_C.doc 71 Testing a Handset Verify proper registration and operation of each handset b y performing the following tests on each handset in an active wireless area. 1. Power on the handset by pressing t he END key. A series of messages will be displayed as the h andset acquires the system.
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PN: 1725-36034-001_C.doc 73 Diagnostic Tools Run Site Survey , Diagnostics Mod e and Syslog Mode are three diagnostic tools provided to assist the WLAN administrator in evaluating the functioning of the handset and the s ystem surrounding it. Diagnostic tools are enabled in the Admin menu.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 74 PN: 1725-36034-001_C.doc The display has the following layout for “single ESSID” mode.
Diagnostic Tools PN: 1725-36034-001_C.doc 75 a b 7 b - 2 8 0 2 A L P H A 2 a e 5 - 4 8 0 6 W S M T E S 2 a e 5 - 5 6 1 1 v o i c e M y I D D e t l In detail mode the display would appear as follows. The left/right arrow keys (* and #) will move between AP indices.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 76 PN: 1725-36034-001_C.doc Numbers scrolling across the handset display indicate AP information is being obtained. A Waiting message indicates the system is not configured properly and the handset cannot find any APs.
Diagnostic Tools PN: 1725-36034-001_C.doc 77 The screens provided by the Diagnostics Mode include: Screen 1 M i s s edRc v C nt nnnnn M i s s edX mt C nt nnnnn R x R e t r y C ou nt nnnnn T x R e t r .
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 78 PN: 1725-36034-001_C.doc Screen 3 contains a list of the APs that are heard and the following parameters from each AP: • Indicator as to whether this is th e current AP, or an index into the list of other APs heard (C indicates current).
Diagnostic Tools PN: 1725-36034-001_C.doc 79 • Association failures since power up (AssocFailure) • Re-association failures since power up (ReAssocFail) Screen 5 S e c - Er r Cou nt nnnnn L s t S .
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 80 PN: 1725-36034-001_C.doc The table below lists the syslog messages and which level of logging will produce them: Message.
Diagnostic Tools PN: 1725-36034-001_C.doc 81 Call Start Call type (telephony, OAI, PTT) AP MAC AP signal strength Call End AP MAC AP signal strength Audio stats AP MAC AP signal strength Payload size .
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 82 PN: 1725-36034-001_C.doc Messages are formatted like the following example: Jan 1 00:01 :26.72 0090. 7a02.2a1b (1 72.16.0.46) [ 001a] RStat: AP 0 0:40:96:48:1 D:0C (-56 dB m), Sent 7835 23, Recvd 79134 2, MSnt 245, MRcd 5674, BSnt 43, BRcd 10783, TX drop 43 (0.
PN: 1725-36034-001_C.doc 83 Certifying the Installation Prior to determining that an installation is complete, test the handsets following the sequence given in Chapter 6 Testing a Handset and conduct a Site Survey mode test according to the directions given in Chapter 7 Diagnostic Tools .
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 84 PN: 1725-36034-001_C.doc be at least one AP stronger than -60 dBm in all a reas for 11mb/s operation) and has good channel allocation. (At any point, the strongest AP shown should be on a different channel than t he next best choice.
PN: 1725-36034-001_C.doc 85 Software Maintenance SpectraLink 8002 Wireless Telephones use proprietary software programs written and maintained by Polycom Corporation. The software versions that are running on the hand sets can be displayed during power on by holding down the END key.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 86 PN: 1725-36034-001_C.doc Message Description Updating Code Handset is downloading new software int o memory. The number icons at the bottom of the display indicate which file number is currently being downloade d.
PN: 1725-36034-001_C.doc 87 Troubleshooting On occasion, you may run into transmission problems due to any number of factors originating fr om the wireless LAN. SpectraLink 8002 Wireless Telephones can ex hibit transmissi on problems in several ways. They can cease fu nctioning properly, display error messages, or display incorrect data .
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 88 PN: 1725-36034-001_C.doc Transmission obstructions Prior to system installation, the best location for APs for optimum transmission coverage should have been determined.
Troubleshooting PN: 1725-36034-001_C.doc 89 Handset Status Messages SpectraLink Wireless Telephone status messages provide information about the SpectraLink 8002 Wireless Telephone’s communication with the AP and host telephone system. T he following table summarizes, in alphabetical order, the status messages.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 90 PN: 1725-36034-001_C.doc Message Descripti on Action Bad Network IP The value of the Network IP address entered in the W.
Troubleshooting PN: 1725-36034-001_C.doc 91 Message Descripti on Action Checking DHCP IP The handset is retrieving DHCP information from the DHCP server. None. This is informational only. CRC Code Error The software which has be en TFTP downloaded has a bad red undancy code check.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 92 PN: 1725-36034-001_C.doc Message Descripti on Action DO NOT POWER OFF The handset is in a critical se ction of the software update. None. Do not remove the Battery Pack or attempt to power off the phone while this is displayed.
Troubleshooting PN: 1725-36034-001_C.doc 93 Message Descripti on Action No Host IP (Addr) The handset is configured for “static IP” (as opposed to “use D HCP ”) and no valid host IP address (the handset’s IP address) has been entered. Enter a valid IP address in the configuration settings or ch ange to “use DHCP.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 94 PN: 1725-36034-001_C.doc Message Descripti on Action No SW Found A required software comp onent has not been identified. Check that the handset license type (number) has a corresponding entry in the slnk_cfg.
Troubleshooting PN: 1725-36034-001_C.doc 95 Message Descripti on Action Unsupported Cod ec The proxy server has requested using a codec not suppo rted by the handset. Check proxy server configuration for supported codecs and re configure if necessary.
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PN: 1725-36034-001_C.doc 97 Appendix A: Regulatory Domains This table details the specifications for regulatory domain settings. Polycom recommends that you check with local authorities for the latest status of their national regulations for 2.4 GHz wireless LANs.
SpectraLink 8002 Wireless Telephones Conf iguration and Administration (SIP) 98 PN: 1725-36034-001_C.doc.
PN: 1725-36034-001_C.doc 99 Index A Access point Coverage ............................................................. 76 Coverage test ...................................................... 83 Access point, description ..............................
Ein wichtiger Punkt beim Kauf des Geräts Polycom 8002 (oder sogar vor seinem Kauf) ist das durchlesen seiner Bedienungsanleitung. Dies sollten wir wegen ein paar einfacher Gründe machen:
Wenn Sie Polycom 8002 noch nicht gekauft haben, ist jetzt ein guter Moment, um sich mit den grundliegenden Daten des Produkts bekannt zu machen. Schauen Sie zuerst die ersten Seiten der Anleitung durch, die Sie oben finden. Dort finden Sie die wichtigsten technischen Daten für Polycom 8002 - auf diese Weise prüfen Sie, ob das Gerät Ihren Wünschen entspricht. Wenn Sie tiefer in die Benutzeranleitung von Polycom 8002 reinschauen, lernen Sie alle zugänglichen Produktfunktionen kennen, sowie erhalten Informationen über die Nutzung. Die Informationen, die Sie über Polycom 8002 erhalten, werden Ihnen bestimmt bei der Kaufentscheidung helfen.
Wenn Sie aber schon Polycom 8002 besitzen, und noch keine Gelegenheit dazu hatten, die Bedienungsanleitung zu lesen, sollten Sie es aufgrund der oben beschriebenen Gründe machen. Sie erfahren dann, ob Sie die zugänglichen Funktionen richtig genutzt haben, aber auch, ob Sie keine Fehler begangen haben, die den Nutzungszeitraum von Polycom 8002 verkürzen könnten.
Jedoch ist die eine der wichtigsten Rollen, die eine Bedienungsanleitung für den Nutzer spielt, die Hilfe bei der Lösung von Problemen mit Polycom 8002. Sie finden dort fast immer Troubleshooting, also die am häufigsten auftauchenden Störungen und Mängel bei Polycom 8002 gemeinsam mit Hinweisen bezüglich der Arten ihrer Lösung. Sogar wenn es Ihnen nicht gelingen sollte das Problem alleine zu bewältigen, die Anleitung zeigt Ihnen die weitere Vorgehensweise – den Kontakt zur Kundenberatung oder dem naheliegenden Service.