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AT&T 5ESS User Manual
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AT&T 5ESS User Manual

Lucent/at&t 5ess digital (isdn) telephone user guide
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5ESS Digital (ISDN) Telephone User Guide | IS&T
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Home / Services And Resources / Telephony
5ESS Digital (ISDN) Telephone User Guide
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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12/20/11 3:12 PM

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Summary of Contents for AT&T 5ESS

  • Page 1 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;...
  • Page 2 Dialing Keypad Use the alphanumeric keypad for entering telephone numbers and code numbers. The keypad is also used with the voice mail system. Two keys have special functions in both the 5ESS and voice mail systems: 2 of 16 12/20/11 3:12 PM...
  • Page 3 Digital Phone Options The 5ESS and the digital telephone provide optional features and services that you can order as new service or changes to existing service. Two call-handling options, ringing line preference and reserved call appearances, are described below. Other options --...
  • Page 4 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.
  • Page 5 5ESS 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.

  • Page 6: Intercom Calls

    Result: The last number you entered is redialed. Intercom Calls Intercom Service The 5ESS provides for three types of intercom calls: • Automatic -- intercom between two pre-determined parties. • One-digit Dial -- intercom group of up to ten parties.
  • Page 7 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.

  • Page 8: Call Forwarding

    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.
  • Page 9 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.
  • Page 10 Note: You do not press 9, as you would for normal off-campus calls. Result: You hear a confirmation tone of two quick beeps, followed by the dial tone. The 5ESS places a confirmation call to the forward-to number; this call does not have to be answered. (If you don't have off-campus calling privileges, you hear a fast busy signal.)

  • Page 11: Speed Dialing

    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.
  • Page 12 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.
  • Page 13 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.
  • Page 14 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...
  • Page 15 5ESS Digital (ISDN) Telephone User Guide | IS&T https://ist.mit.edu/services/telephony/isdnguide Code Meaning Call Forwarding - All Calls Call Forwarding - Busy Call Forwarding - No Answer Call on Hold Intercom Call Incoming Call - Internal (within MIT) Incoming Call - External (outside MIT)
  • Page 16 5ESS Digital (ISDN) Telephone User Guide | IS&T https://ist.mit.edu/services/telephony/isdnguide 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.