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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Cisco Systems 9951, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Cisco Systems 9951 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of Cisco Systems 9951. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of Cisco Systems 9951 should contain:
- informations concerning technical data of Cisco Systems 9951
- name of the manufacturer and a year of construction of the Cisco Systems 9951 item
- rules of operation, control and maintenance of the Cisco Systems 9951 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Cisco Systems 9951 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Cisco Systems 9951, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Cisco Systems service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Cisco Systems 9951.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Cisco Systems 9951 item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
IN-1 Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Co mmunications Manager 8.6 (SIP) INDEX Numerics 802.11a standa rd 6-3 802.11b sta ndard 6-3 802.11d sta ndard 6-3 World Mode 6-4 802.11e standa rd 6-3 802.11g sta ndard 6-3 802.11i standard 6-3 802.1X authentication server 1-23 authenticator 1-23 description 1-[...]
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Page 2
Index IN-2 Cisco Unified IP Phone 8961, 9951, and 9971 Administration Gu ide for Cisco Unified Communications Manage r 8.6 (SIP) auxiliary VLAN, descriptio n 6-9 B background image configuring 9-5 creating 9-4 custom 9-4 List.xml file 9-4 PNG file 9-4, 9-5 barge 1-24, 8-4 call security restrictions 1-21 block external to external transfer 8-5 Bluet[...]
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Page 3
Index IN-3 Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Co mmunications Manager 8.6 (SIP) using LDA P directories 8-27 web page 11-1 Cisco Unified Video Camera 5-1 attaching t o the phon e 5-2 configuration 5-1 post installa tion 5-4 cleaning the Cisco Unified IP Phone 12-17 Clear List softkey 10-3, 10-8, 10-9 [...]
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Page 4
Index IN-4 Cisco Unified IP Phone 8961, 9951, and 9971 Administration Gu ide for Cisco Unified Communications Manage r 8.6 (SIP) Shared Secr et 7-15 encrypted configuration files 1-19 encryption 1-16 media 1-18 signaling 1-19 EnergyWise configuration 9-8 description 2-4 enterprise parameters call forward 8-36 call forward options 8-36 user options [...]
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Page 5
Index IN-5 Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Co mmunications Manager 8.6 (SIP) XML service 9-7 image authentication 1-18 Incoming Call Toast Ti mer 8-39 installing Cisco Unifie d Communi cations Mana ger configuration 3-2 network requirements 3-1 preparing 2-10 requirements, overview 1-24 interco m 8[...]
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Page 6
Index IN-6 Cisco Unified IP Phone 8961, 9951, and 9971 Administration Gu ide for Cisco Unified Communications Manage r 8.6 (SIP) IP 1-12 RTCP 1-13 RTP 1-13 SIP 1-13 TCP 1-13 TFTP 1-14 UDP 1-14 network outages, iden tifying 12-6 network port configuring 7-6 connecting to 3-12 network proto col LEAP 6-12 network requirements, for install ing 3-1 Netw[...]
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Page 7
Index IN-7 Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Co mmunications Manager 8.6 (SIP) ports access 3-3 network 3-3 power EnergyWise configuration 9-8 EnergyWise description 2-4 external 2-3, 2-4 for the phone 2-3 outage 2-4 PoE 2-4 power negotiation over LLDP 2-6 power over Ethernet See PoE Power Save Plus [...]
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Page 8
Index IN-8 Cisco Unified IP Phone 8961, 9951, and 9971 Administration Gu ide for Cisco Unified Communications Manage r 8.6 (SIP) security pro files 1-19, 1-20 shared key authentication 6-12 signaling au thentica tion 1-18 signaling encryption 1-19 static WEP encryption 6-13 TKIP encryption 6-13 WLAN overview 6-11 WPA authentication 6-12 Security Co[...]
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Page 9
Index IN-9 Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Co mmunications Manager 8.6 (SIP) Busy Lamp Field (BLF) speed dial 8-5 Call Back 8-5 call display rest rictions 8-5 caller ID 8-8 caller ID blocking 8-8 call forward 8-6 call forward destination overrid e 8-7 call park 8-6 call waitin g 8-7 conference 8-9 [...]
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Page 10
Index IN-10 Cisco Unified IP Phone 8961, 9951, and 9971 Administration Gu ide for Cisco Unified Communications Manage r 8.6 (SIP) U USB headsets 3-6 USB port data 3-5 User Datagram Protocol See UDP User Options web page call forward settings 8-36 description 8-34 giving user s access to 8-34, A-1 users accessing voice messaging system A-2 adding to[...]
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Page 11
Index IN-11 Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Co mmunications Manager 8.6 (SIP) X XmlDefault.cnf.xml 2-7[...]
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Page 12
Index IN-12 Cisco Unified IP Phone 8961, 9951, and 9971 Administration Gu ide for Cisco Unified Communications Manage r 8.6 (SIP)[...]