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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5ESS Digital (ISDN) Telephone User Guide | IS&T
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