Inter-Tel 8520 manual

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A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Inter-Tel 8520, 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 Inter-Tel 8520 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 Inter-Tel 8520. 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 Inter-Tel 8520 should contain:
- informations concerning technical data of Inter-Tel 8520
- name of the manufacturer and a year of construction of the Inter-Tel 8520 item
- rules of operation, control and maintenance of the Inter-Tel 8520 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 Inter-Tel 8520 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 Inter-Tel 8520, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Inter-Tel 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 Inter-Tel 8520.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Inter-Tel 8520 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

  • Page 1

    19 Inter-T el ® Model 8520 User Guide GETTING ST ARTED M AKING AND R ECEIVING C ALLS Making and receiving calls is the basic purpose of any endpoint. W ith your Model 8520, you can make/receive intercom and outside calls and make emergency calls. Intercom Calls Y our extension number allows other people to place intercom calls to you, without dial[...]

  • Page 2

    20 Inter-T el ® Model 8520 User Guide GETTING ST ARTED If there is no answer or if the endpoint is busy when you place an intercom call, you can do any of the following: • T o leave a st ation mes sage: Press and then hang up. • T o leave a voice mail message: Press and wait for the message center to answer . (See page 33 for more message opti[...]

  • Page 3

    21 Inter-T el ® Model 8520 User Guide GETTING ST ARTED T o re dir ect a ringing cal l to anoth er extension or to an outside number: 1. Press and dial . 2. Enter the extension or outside num ber to which you want to redirect the call. See page 28 for more infor m ation. If the Of f-Hook V oice A nnounce feature is enabled fo r your endpoint, when [...]