User`s manual
Table Of Contents
- Contents
- Introduction
- Your ISDN 8510T Voice Terminal
- Feature Descriptions
- Voice Features
- Features Accessed with the Display and Softkeys
- ENTERING AND EXITING SOFTKEY MODE (USING THE MENU AND THE EXIT BUTTONS)
- THE VOICE TERMINAL SELF-TEST FEATURE bbbbbbb
- USING THE NEXT, THE PREV, AND THE DIR BUTTONS
- RESPONDING TO ´QUIT´ AND ´DONE´
- A SOFTKEY DISPLAY SCREEN FLOWCHART
- SETTING THE CLOCK
- SETTING THE SPEAKERPHONE
- ADDING, EDITING, AND DELETING A NUMBER AND NAME IN THE DIRECTORY
- VIEWING A DIRECTORY ENTRY (AND PLACING A CALL)
- USING THE DIR BUTTON TO PLACE A CALL
- USING THE CALL LOG
- LOCKING AND UNLOCKING THE DIRECTORY, CALL LOG, AND ALL SOFTKEYS
- CHANGING OR REMOVING YOUR PASSWORD
- SELF-TEST
- CHOOSING THE CONTRAST LEVEL FOR THE DISPLAY
- SELECTING A PERSONALIZED RING
- SETTING THE RATE AT WHICH YOU VIEW THE DISPLAY MESSAGES
- TURNING ON OR OFF SOFTKEY INFORMATION TONES
- SETTING THE NUMBER OF NAMES ON THE DIRECTORY PAGE
- Tones and Their Meanings
- Labeling and Installing the Designation Card and the Telephone Number Card
- Installation
- Technical Description
- Index

Introduction
The AT&T 8510T voice terminal can be added to your Integrated
Services Digital Network (ISDN) communications system. In order to
provide you with excellent quality and reliability, AT&T has designed this
new voice terminal with the latest advances in telecommunications
technology.
The 8510T voice terminal offers 10 call appearances, Mute, Redial,
Conference, Drop, Transfer, and Hold buttons, a Speakerphone which
can also be optioned as a listen-only Speaker, a Volume control, and an
Adjunct jack for adjunct equipment, all that you will need for easy and
efficient call-handling. Four softkeys (the keys with arrows printed on
them) and 4 display control buttons located below a 2-line by 24-
character liquid crystal display can be used to access such features as a
personal Directory, a Call Log which lists the most recent incoming and
outgoing calls, the Self-Test feature, and a personalized ringing pattern
for the voice terminal.
The following features have been included for the
hearing and visually impaired person:
Two small bars have been placed on the 5 dial
pad key;
The rate at which the display messages appear
on your screen can be set at Slow, Medium, or
Fast;
Confirmation and error tones;
Compatibility with inductively coupled hearing
aids.
ORGANIZATION OF THIS MANUAL
This manual is arranged into the following sections:
Your ISDN 8510T Voice Terminal -- shows the top and bottom
views of the 8510T and explains its features.
Feature Descriptions -- lists the voice features and the features that
can be accessed with the softkeys, tells what each feature does, and
suggests how you might use it.
Voice Features -- gives step-by-step procedures on using voice
features.
Features Accessed with the Display and Softkeys -- describes the
softkeys and how to use them to access features such as setting up
and using a personal Directory of frequently called numbers and
2