
Conferencing
Establishing a Conference Call
Repeat for additional parties
FLASH
8 2 6
(Talking)
You can repeat this operation to add additional parties. You may
be able to have up to 8 parties in total (including your extension).
Extension Number
? ? ?
Trunk Code Telephone
9
? ?
(Talk)
FLASH
<press twice>
Intelligent Hybrid System
Nothing contained in this manual shall be deemed to be, and this manual does not constitute, a warranty of, or representation
with respect to, any of the equipment covered. This manual is subject to change without notice and NEC Business Solutions
Ltd has no obligation to provide any updates or corrections to this manual. Further, NEC Business Solutions Ltd also reserves
the right, without prior notice, to make changes in equipment design or components as it deems appropriate. No representation
is made that this manual is complete or accurate in all respects and NEC Business Solutions Ltd shall not be liable for any
errors or omissions. In no event shall NEC Business Solutions Ltd be liable for any incidental or consequential damages in
connection with the use of this manual. This document contains proprietary information that is protected by copyright. All rights
are reserved. No part of this document may be photocopied or reproduced without prior written consent of NEC Business
Solutions Ltd.
NEC Business Solutions Ltd
633-647 Springvale Road,
Mulgrave VIC 3170
Copyright © 2004 by NEC Business Solutions Ltd
All Rights Reserved.
October 2004
Single Line Telephone
User Guide
Issue 1.2

Before using Your Telephone…
Thank you for purchasing the NEC “Topaz” system.
Due to the flexibility built into the system, your Dialling Codes and Feature Capacities may differ from those
in this guide. Check with your Supplier / System Administrator and make a note of any differences.
Using Your Telephone
NEC AT-21 Single Line Telephone is displayed here. This User Guide describes general analogue Single Line
Telephone (SLT) procedures. Refer to the User Guide included with to your specific SLT for details on
additional key functions.
Handset
Dial Keys
Message Lamp
Ring Key
Redial Key
Flash Key
Forwarding Calls / Do Not Disturb
Do Not Disturb (DND)
DND : Trunk Incoming Call
8 74
When you set DND, the Internal Dial Tone pattern changes.
Call Forwarding / Follow Me
CFW Condition
8 ? ? ?
8 8
Busy / No Answer
Follow Me
3
Immediate
4 0
62
7
1
2
3
4
0
?
No Answer
Dual Ring
Cancel
DND : Intercom Incoming Call
DND : Trunk & Intercom Incoming Call
DND : Transferred (CFW) Call
DND : Cancel
Extension Number
CFW Type
?
FWD All Calls
2
FWD Outside Calls only
3
FWD Intercom Calls only
4
Volume Control Keys
When you set a Call Forward, the Internal Dial Tone pattern changes.
Call Forward Off-Premise
7 31
Telephone Number
6
? ? ?9
To Cancel
When you set a Call Forward, the DND/CONF Key’s lamp flashes and the Internal Dial Tone pattern
changes.
1 6

Answering Calls
Picking up another Extension’s Call
Placing Calls
Placing an Outside Call
In same
Group
68 7
In other
Groups
Pickup for
Specified
Extension
System programming is required to allow Group Call Pickup. Ask your NEC Authorised Supplier for details.
68 9
1
Extension Number
?7 5 ? ?
Hold / Transferring Calls
Placing a Call on Hold / Retrieving a Held Call
Hold Retrieve
If you go on hook, the held call will ring back.
This operation puts your call on Exclusive Hold. Other extension users can not take the call off Hold.
(Talking)
FLASH FLASH
(Don’t hang up)
Retrieving a Held Outside Call
Trunk No.
you want to retrieve
? ?7 7 2
Transferring a Call to another Extension
FLASH
(Talking)
Extension Number
? ? ?
(Announce)
Trunk Code
Telephone Number
? ? ? ?9
Listen for Dial T one before dialling the Telephone Number.
Placing an Intercom Call
Extension Number
? ? ?
Your call will ring or voice-announce. If you hear ringing, wait for an answer. If you hear a beep, begin
speaking. Dialling “1” changes voice/ring mode (where the destination is a Topaz Telephone).
Placing Calls Quickly
Abbreviated Dialling <for outside calls>
Common/Personal
Common/
Personal
Abbv .
Group
Abbv.
Common/Personal Abbreviated Dialling Bins are numbered as follows (by default):
2-digit dialling: Common = 00-79, Personal = 80-99, or
3-digit dialling: Common = 000-899, Personal = 990-919.
Single Line Telephones cannot store a number into an Abbreviated Dialling Bin. For this you must use a
Display Topaz Telephone or PC Programming application. Ask your NEC Authorised Supplier for details.
System programming is required to provide Group Abbreviated Dialling. Ask your NEC Authorised
Supplier for details.
18 4
Abbv. Bin No.
? ? ?
Group Abbv. Bin No.
? ? ?
25

Placing Calls Quickly
If your call doesn’t go through…
Last Number Redial <for outside and intercom calls>
#
Intercom numbers can also be stored under Last Number Redial. (System programming is required. Ask
your NEC Authorised Supplier for details.)
If your call doesn’t go through…
Setting Camp On / Callback / T runk Queuing
0
<Camp On>
(Hear Busy Tone,
No Answer, or
Trunk Unavailable)
<Camp On> For Intercom Call, when you hear ringing, wait for the called party to answer.
<Callback> For Intercom Call, when your phone starts the ringing, lift handset and wait for the called
For Trunk Queuing, when you hear Dial Tone, begin dialling the telephone number.
party to answer.
For Trunk Queuing, when your phone starts the ringing, lift handset, hear Dial Tone and
begin dialling the telephone number.
<Callback>
Wait without
hanging up
Wait for the
system to call
you back
Setting / Answering a Message Waiting Indication
Set
(Hear Busy Tone or No Answer)
Answer
When you set MW, the called party’s MW Indicator starts to flash.
When you answer MW, the MW Indicator shall automatically go off when the called party answers.
Your phone’s
MW Indicator
is flashing
8 14
8 14
Cancelling a Message Waiting Indication (at originating ex tension)
Extension Number
you want to cancel MW
8 7 1
? ? ?
Clearing All Message Waiting Indications (at any extension)
8 7
Clear all messages (you have left for other extensions and messages other extensions have left for you).
3
Cancelling Camp On / Callback / Trunk Queuing
When Camp On set)
8 07
Answering Calls
Answering an Outside / Intercom Call
(Ringing)
Each type of incoming call can have its own distinctive ringing pattern. Ask you NEC Authorised Supplier
for details.
43