AT&T MLS-12D User Manual

Personal Speed Dial Numbers
To dial a Personal Speed Dial number: Press [ Feature ] followed by the Dial Code.
See page 4 for programming instructions. Your system may also be programmed with System Speed
Dial numbers (Dial Codes 20-79), which are similar to Personal Speed Dial Numbers except anyone
on the system can dial them. If programmed, a list is available frorn your System Manager.
Use the boxes below to record your numbers, in pencil.
DIAL
CODE
NAME
TELEPHONE NUMBER
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
System Extensions
EXT
NAME
EXT
NAME
EXT
NAME
10
18
26
11
19
27
12
20
28
13
21
29
14
22
30
15
23
31
16
24
32
17
25
518-455-250
Copyright © 1991 AT&T

AT&T MLS-12D Specifications

General

Brand	AT&T
Model	MLS-12D
Category	Telephone
Language	English

Summary

Telephone Buttons and Indications

Display

Describes the phone's display for dialed numbers, call duration, feature messages, and date/time.

Programmable Buttons

Explains features and dialing sequences for one-touch use on MLS-34D, MLS-12D, and MLS-12 phones.

Line/Programmable Buttons

Details the dual-purpose buttons used for outside lines or programming one-touch features.

Speakerphone Operation

Instructions on how to use the speakerphone for hands-free calls without lifting the handset.

Phone Controls Overview

Covers intercom buttons, volume controls, message indicator, and the microphone button functions.

Ringing Patterns and Indicators

Call Ringing Indicators

Explains different ring patterns used to identify incoming call types like outside, inside, or transferred.

Indicator Lights

Describes the meanings of various light states: steady, off, flash, alternating flash, wink, and flutter.

Customer Support

Provides a toll-free helpline number for assistance with phone system issues.

Programming Features

Button Programming Guide

Steps to program buttons for features, dialing sequences, extension numbers, or outside numbers.

Dial Sequence Special Characters

Explains how to use special characters like Pause, Stop, and Recall in dial sequences.

Personal Speed Dial Number Programming

Instructions on how to program personal speed dial numbers (codes 80-99) into the system.

Dial Code Features

Call Control Dial Codes

Features for managing calls: Do Not Disturb, Exclusive Hold, Conference Drop, and Privacy.

Redial and Recall Functions

Using dial codes for Recall, saving numbers, and redialing the last number dialed.

System Service Dial Codes

Codes for controlling message lights, Touch-Tone Enable, and call pickup features.

Paging and Group Calling

Utilizing intercom codes for Loudspeaker Paging and Group Calling/Paging.

Call Handling Procedures

Calling Group and Paging Operations

How to call everyone in a group or page specific extensions using intercom codes.

Loudspeaker Paging Usage

Instructions for making announcements over the system's loudspeaker paging.

Joining External Calls

Connecting to an outside call being conducted at another extension.

Answering Calls at Your Extension

Procedures for answering calls ringing at your own extension, including handling held calls.

Answering Calls at Other Extensions

How to answer calls ringing at any extension or within a pickup group.

Advanced Call Management

Making Outside and Inside Calls

Steps for dialing outside telephone numbers or inside extension numbers.

Placing Conference Calls

Guide to adding multiple parties to an existing call, up to a maximum of four parties.

Call Holding Procedures

Instructions for putting calls on hold, including exclusive hold and how to pick up held calls.

Transferring a Call

Steps to transfer a call to another extension, including handling no-answer scenarios.