5ESS Digital (ISDN) Telephone User Guide

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On this page:

Overview

Your Digital Telephone Desk Set

Telephone Calls

Intercom Calls

Call Forwarding

Call Pick-Up Group

Speed Dialing

Ring, Clock, and Test Buttons

The Display Panel

Appendix: Classes of Telephone Service

Overview

This guide describes how to use the voice features of the Lucent/AT&T ISDN (Integrated Services Digital Network) digital telephone

with MIT's 5ESS telephone system. These features will work only when your Lucent/AT&T telephone is correctly connected to the

5ESS.

In addition to standard voice communications, digital telephones can carry data communications between a microcomputer or

workstation that is connected to the telephone and a remote computer.

Telephone Customer Service

To provide fast and efficient service each MIT department is assigned a Customer Service Representative (CSR). Your CSR can be

reached at 617.253.4357.

Telephone HELP Line

If you have trouble with telephone or data communications service, call the Telephone HELP desk at 617.253.4357 (x3-HELP).

Voice Mail

MIT's voice mail system works in conjunction with the 5ESS telephone system. Voice mail is a computer-based message system that

goes beyond the functions of the usual answering machine. Voice mail lets you send, forward, and reply to messages; send messages

to a distribution list; archive messages; and give special access to a secretary. You can get assistance with your voice mail from your

CSR at 617.253.4357.

Your Digital Telephone Desk Set

Desk Set Controls and Features

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5ESS Digital (ISDN) Telephone User Guide | IS&T https://ist.mit.edu/services/telephony/isdnguide

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Summary of content (16 pages)

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5ESS Digital (ISDN) Telephone User Guide | IS&T View What links here Edit Revisions https://ist.mit.
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5ESS Digital (ISDN) Telephone User Guide | IS&T https://ist.mit.edu/services/telephony/isdnguide This section describes the digital phone's components. Terms that are discussed in this and later sections are introduced in italics. Also included are information and procedures for desk set controls and features that apply to all types of calling. To avoid interruptions in phone service: Never unplug your desk set. Never plug another desk set into your phone jack. Never plug any accessory into your desk set.
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5ESS Digital (ISDN) Telephone User Guide | IS&T https://ist.mit.edu/services/telephony/isdnguide "Star" or asterisk key "Pound" or number key Display Panel The display panel is a small screen at the top of the desk set (with a knob to adjust its contrast). It displays the date and time when the phone is not in use, or displays information about calls when in use. For details, see Section 9, " The Display Panel.
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5ESS Digital (ISDN) Telephone User Guide | IS&T https://ist.mit.edu/services/telephony/isdnguide Reserved Call Appearance All CAs for directory numbers let you place and receive calls (two-way calling). With reserved Call Appearance, you can, however, order one CA reserved for one-way calling. Choose from the following types of reserved CAs. • Originate: You can use the CA to place outgoing calls only; calls cannot be received on it.
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ESS Digital (ISDN) Telephone User Guide | IS&T https://ist.mit.edu/services/telephony/isdnguide 1. Press the CA button for the held call. Result: The red light comes on and the green light stops blinking. You are reconnected to the call. Note: If the call was put on hold at a digital set, you can reconnect on another digital set with the same DN (PDN or SDN). If the call was put on hold at an analog set, you can reconnect only on that phone.
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5ESS Digital (ISDN) Telephone User Guide | IS&T https://ist.mit.edu/services/telephony/isdnguide 1. While on a call, press Result: The Mute green light comes on and the person on the other end of the call cannot hear you, although you can still hear them. 2. To cancel muting, press again. Result: The Mute green light goes off and the person on the other end of the call hears you. Number Privacy See Telephone Features Redial the Last Number Entered This feature redials the last phone number entered. 1.
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5ESS Digital (ISDN) Telephone User Guide | IS&T https://ist.mit.edu/services/telephony/isdnguide 1. Lift the receiver or press 2. Press Result: The Intercom green light comes on and the 5ESS dials the intercom call. One-digit Dial Intercom One-digit Dial Intercom service includes up to ten parties. The intercom destinations are assigned code numbers 0 (zero) through 9. 1. Lift the receiver or press 2. Press Result: The Intercom green light comes on. 3. Enter the one-digit code of the desired party.
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5ESS Digital (ISDN) Telephone User Guide | IS&T https://ist.mit.edu/services/telephony/isdnguide both the PDN CA and the intercom button; for Two-digit Dial Intercoms, the green light flashes on the Intercom-In button. 1. Lift the receiver or press 2. For Automatic and One-digit Dial Intercoms, press the CA button with the flashing green light. For Two-digit Dial Intercoms press Result: The respective red light comes on and you are connected to the intercom call.
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5ESS Digital (ISDN) Telephone User Guide | IS&T https://ist.mit.edu/services/telephony/isdnguide Result: You hear a confirmation tone of two quick beeps, followed by the dial tone. If you are forwarding to another phone, the 5ESS places a confirmation call to that number; the call does not have to be answered. If you are forwarding to voice mail, no confirmation call is placed. Note: If you get a busy signal after entering the activation code, call forwarding for that condition is already in effect.
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5ESS Digital (ISDN) Telephone User Guide | IS&T https://ist.mit.edu/services/telephony/isdnguide The following table described the call forwarding conditions and gives the codes to activate and cancel each one. You can have any combination of call forwarding conditions active at one time; however, forwarding of all calls supersedes any other active forwarding.
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5ESS Digital (ISDN) Telephone User Guide | IS&T https://ist.mit.edu/services/telephony/isdnguide Call Pickup Call Pickup lets you can answer calls to other phones in a group from your phone. It is intended for areas where people are close enough to hear each other's phones ring, and where they can provide occasional call coverage for each other. For details on setting up a call pickup group, contact your Telephone Support Services Customer Service Representative.
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5ESS Digital (ISDN) Telephone User Guide | IS&T https://ist.mit.edu/services/telephony/isdnguide 1. Lift the receiver. 2. Press 2. Enter the appropriate Speed Call code for the desired telephone number. Result: The full telephone number associated with the Speed Call code is dialed; the number you are calling will show on phone display. Ring, Clock, and Test Buttons Selecting a Ring Pattern Your digital phone has eight different ring patterns.
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5ESS Digital (ISDN) Telephone User Guide | IS&T https://ist.mit.edu/services/telephony/isdnguide 1. Press 2. Press Result: The month is shown on the display. until the correct month is shown. 3. Press to save the month. 4. Press Result: The date is shown on the display. Repeat steps 3 and 4 to change and save the date, hour, and minutes, respectively. ( Do not change the year unless it needs to be increased to the current year!) to start the clock. 4.
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5ESS Digital (ISDN) Telephone User Guide | IS&T https://ist.mit.edu/services/telephony/isdnguide 1. Press 2. Press Result: The test is canceled. The Display Panel Display Information A display panel is at the top of the digital desk set. When a call is not in progress, the panel shows the date and time of day. When a call is being placed or received, information about the call is displayed, as shown on the diagram below (details on each part of the display follow): A.
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5ESS Digital (ISDN) Telephone User Guide | IS&T https://ist.mit.
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5ESS Digital (ISDN) Telephone User Guide | IS&T https://ist.mit.edu/services/telephony/isdnguide D Reserved for selected applications, such as emergency and elevator telephones. When the receiver is lifted, the call is automatically placed to a predetermined destination. Class D phones can receive calls only within MIT. Not available for digital phones. E Generally reserved for computer dial-up applications. Restricted to placing and receiving calls only within MIT.