(includes Single Line Digital Keyphone LCD, Add-on Module, and
Telecommunications Division
Digital Business Telephone Solutions
Digital Telephone
User Guide
Direct Station Selection Console)
Release 2
November 2001
Publication Information
Toshiba Information Systems (UK) Ltd. reserves the right to change any
of this information including, but not limited to, product characteristics
and operating specifications, without prior notice.
It is intended that the information contained within this manual is correct
at the time of going to print, however al l l iability for errors or omissions
is excluded.
All rights reserved. No part of this manua l, cov ered by the copyrights
hereon, may be reproduced in any form or by any means—graphic,
electronic, or mechanical, including recording, taping, photocopying, or
information retrieval system s—without express written permission of the
publisher of this material.
Strata and Strata g y are registered trademarks of T os h iba Information
Systems (UK) Ltd.
Trademarks, registered trademarks, and service marks are the property of
their respective owners.
Strata CT Digital Telephone User Guide November 2001
vii
Appendix C Button Labels
Notes to Users
Index
Contents
viii
Strata CT Digital Telephone User Guide November 2001
Introduction
This guide describes how to use the 2000 and 2500-series digital telephones for Strata CT systems.
Models covered in this user guide include digital telephones equipped with a Liquid Crystal Display
(LCD) and/or speakerphone (2500-series). Also discussed are the Single Line Digital Telephone
(DKT2001) Digital Add-on Modules (DADMs) and the Direct Station Selection (DSS) Console.
Strata CT Digital Telephone User Guide November 2001
ix
OrganisationIntroduction
Organisation
♦Chapter 1 – The Digital Telephone Grand Tour provides an overview of the equipment,
buttons, Light Emitting Diodes (LEDs), and LCDs.
♦Chapter 2 – Features describes the available digital telephone features in alphabetical order.
Detailed instructions on using each feature are covered.
♦Chapter 3 – LCD Operation includes an explanation of the Control button and Soft Key
operations. Features which are available only on the LCD digital telephone are presented
alphabetically and include detailed LCD displays.
♦Chapter 4 – The Single Digital Telephone Grand Tour describes the Single line digital
telephone console features and buttons.
♦Chapter 5 – Single Line Digital Telephone Features describes the Single line digital telephone
features and buttons.
♦Chapter 6 – Add-on Module/DSS Console describes the feature buttons and their associated
LED’s for the ADM and DSS Consoles.
♦Appendix A – Digital Telephone Access Codes provides instructions for programming a
sequence of steps or access codes onto feature buttons. It includes Exchange Line Access Codes,
Paging Group Codes, Feature Access Codes (User Programmable Buttons), and Speed Dial
Access Codes.
♦Appendix B – Single Line Digital Telephone Access Codes provides access codes for outside
speed dial numbers, exchange lines, paging groups and paging zone codes.
Appendix C – Button Labels lists the feature button designations of the 2500-series digital
♦
telephone models.
Notes to Users contains an overview of Safety Approval and EMC Compliance details.
♦
How to Use This Guide
We suggest that you read this entire guide and get acquainted with the Strata CT digital telephones
and its features. Once you become acquainted with the basic features, you can use this guide in
conjunction with the Digital Telephone Quick Reference Guide.
x
Strata CT Digital Telephone User Guide November 2001
IntroductionHow to Use This Guide
Conventions
Letters in [brackets] represent buttons which have Directory Numbers on them. For example:
ConventionsDescription
Elaborates specific items or references other information. Within some tables,
Note
Important!Calls atten tion to impor tant instructions or information.
CAUTION!
WARNING!Alerts you when the given task could cause personal injury or death.
[DN]
[PDN]
[SDN]
[PhDN]Represents any Phantom Directory Number button (an additional DN).
Arial BoldRepresents telephone buttons.
Plus (+)
Tilde (~)Means “through.” Example: 200~220 station range.
➤Denotes the step in a one-step procedure.
➤
See Figure 10
general notes apply to the entire table and numbered notes apply to specific
items.
Advises you that hardware , software appli cations, or data could be da maged if
the instructions are not followed closely.
Represents any Directory Number button, also known as an extension or
intercom number.
Represents any Primary Directory Number button (the extension number for
the telephone). An extra appearance of the PDN on the same phone is not
considered as a SDN.
Represents any Secondary appearance of a PDN. A PDN which appears on
another telephone is considered an SDN.
Shows a multiple PC keyboard or phone button entry. Entries without spaces
between them show a simultaneous entry. Example: Esc+Enter. Entries
with spaces between them show a sequential entry. Example:
#
+
.
5
Denotes a procedure.
Grey words within the printed text denote cross-references. In the electronic
version of this document (Strata Technical Library CD-ROM), crossreferences appear in blue hypertext.
Strata CT Digital Telephone User Guide November 2001
xi
Related Documents/MediaIntroduction
Action/Response
The left column gives you single
or numbered steps that you need
to perform a procedure.
The right column gives the immediat e response t o your
action. This column also includes additional notes and
comments.
Related Documents/Media
NoteSome documents listed here may appear in different versions on the CD-ROM or in pri nt . To
find the most current version, check the version/date in the Publication Information on the
back of the document’s title page.
Refer to the following d ocuments for more information:
Strata CT General Description provides a system overview including hardware and feature
♦
information.
Strata CT S ystem Administrator G uide gives instructions for the System Administrator to
♦
manage the system. Contains instructions for Station Relocation, System Speed Dial, and other
features only activated by the System Administrator.
Strata CT Digital Telephone Quick Reference Guide provid es a quick refer ence f or frequ ently -
♦
used digital telephone features.
♦Strata CT Electronic Telephone User Guide explains all the procedures necessary to operate
Toshiba-proprietary electronic telephones, including all LCD features. It also includes
instructions for using the electronic DSS console.
xii
♦Strata CT Electronic Telephone Quick Reference Guide provides a quick reference for
frequently-used electronic telephone features.
♦Strata CT Standard Telephone User Guide explains all the procedures necessary to operate
rotary dial and push-button standard telephones.
♦Strata CT ACD Agent User Guide describes the ACD agent feature operation along with step-
by-step procedures for using features.
♦Strata CT ACD Supervisor Guide provides instruction on how to use the ACD supervisor
features.
Strata CT Digital Telephone User Guide November 2001
IntroductionRelated Documents/Media
Strata Technical Library CD-ROM enables you to view , print, navi gate and search publ ications
♦
for Strata DK40 and St rata CT digital business telephone systems. I t also includes Strata CT ACD
Documentation, including the ACD Agent Guide and ACD Supervisor’s Guide. ACD Installation
and Programming instructions are included in the Strata CT Installation and Maintenance Manual and the Strata CT Programming Manual.
Strata CT Digital Telephone User Guide November 2001
xiii
Related Documents/MediaIntroduction
xiv
Strata CT Digital Telephone User Guide November 2001
The Digital Telephone Grand Tour
This chapter familiarises you with the controls and indicators located on your digital telephone.
Understanding the function of the feature buttons and their associated LEDs will improve your
efficiency in using the telephone and wil l help you take advant age of all of the benef its your telep hone
offers.
Toshiba digital telephones incorporate state-of-the-art telecommunications technology and provide a
vast array of calling features. They are easy to operate, and all features are accessed with a feature
button or a brief access code.
If your telephone is equipped with an LCD, information and feature prompting makes call handling
more efficient and provides easy access to frequently-used features. Abbreviated feature prompts
guide you through specific tasks.
1
In addition to the standard features, the LCD telephones provide Alphanumeric Messaging, Busy
Lamp Field (BLF) Identification, Exchange Line (EL) Identification, Timed Reminders with
Messaging, Speed Dial Memo Directory Dialling, User Name/Number, Call Duration, Date/Time of
Day displays, and the ability to display names and telephone numbers of outside, incoming callers.
Telephones equipped with a speakerphone, enable you to make and receive outside and internal calls
without lifting the handset.
Strata CT Digital Telephone User Guide November 2001
1
Digital Telephone ModelsThe Digital Telephone Grand Tour
Digital Te lephone Models
Feature operations in this guide use the button designations for the 2500-series models.
The following telephone models belong to the 2500-series (see Figure 1 on Page 3):
DKT2510-FS (10-button model that enables users to answer internal calls without lifting the
♦
handset)
DKT2510-FSD (10-button model equipped with a LCD and a speakerphone which enables users
♦
to make and receive outside and internal calls without lifting the handset)
DKT2520-FS (20-button speakerphone model which enables users to make and receive outside
♦
and internal calls without lifting the handset)
DKT2520-FSD (20-button speakerphone model equipped with an LCD, and a speakerphone
♦
which enables users to make and receive outside and internal calls without lifting the handset).
NoteFor the Single Line Digital Telephone (DKT2001) see Chapter 4on Page 107
2
Strata CT Digital Telephone User Guide November 2001
The Digital Telephone Grand TourButtons
Buttons
LCD Display
Handset
Red/Green
LED Indicators
Dial Pad
0539
Fixed ButtonsMicrophone Location
Figure 120-button Digital Speakerphone with LCD
LCD Control/Soft
Key Buttons
Flexible Buttons
Strata CT Digital Telephone User Guide November 2001
3
ButtonsThe Digital Telephone Grand Tour
Buttons
There are two sets of buttons, fixed and flexible. The fixed buttons (e.g.,
Conf/Trn, Vol
The flexible buttons con sist of Direc tory Number (Prima ry, Secondary, Phant om) and featur e buttons.
The number of preprogrammed flexible buttons varies by telephone.
Fixed Buttons
The fixed buttons are located on your dial pad and enable you to perform standard functions quickly
and easily.
Table 1Fixed Button Definitions
ButtonDefinitions
Cnf/Trn
(Conference/
Transfer)
Hold
Mic, Msg, Redial, Hold
▲, and
Vol
▼) are standard to every Strata DK 2500-series telephone (see Table 1).
Press to set up confere nce and trans fer calls (see “Con ference Cal ls” on Page
41).
Press once to hold internal or outside calls. The
Line LED flashes green at the internal hold rate.
...or press twice to en able Exclusiv e Hold . The Line
LED flashes green at the exclusive hold rate.
Exclusive Hold enables you to place a call on hold so that only you or
somebody using a Call Pickup code at another sta tion can retrieve it.
To retrieve a call on hold:
Press Line or [DN] which is on hold
HOLD LINE 10
JAN 01 SUN 12:19
,
...or if the call is on Exclusive Hold, from another station dial #5 plus your
[DN], or dial #5#7 plus the Exchange line number (001~200) that the call is
held on.
If a call is not retrieved by a certain time (set in
system programming), it recalls back to your
phone. You hear repeated recall tone (or if you are
on the phone, you hear recall tone twice).
4
Strata CT Digital Telephone User Guide November 2001
HOLD LINE 201
LINE 10 RECALL
The Digital Telephone Grand TourButtons
Table 1Fixed Button Definitions (continued)
ButtonDefinitions
If the held party hangs up, the call is released and the Exchange provides a
hold-release signal.
(continued)
Hold
If your telephone is programmed for Automatic Hold, existing calls are
automatically placed on hold when you answer a call or make another call.
(See “Automatic Hold” on Page 24.)
A different call can be held on each [DN] or
Line button on your phone. Each time you
CO LINE 02
HOLD
press Scroll, a different [DN] or Line is
selected. The selected button’s LED flashes
rapidly and your LCD d isplays inf ormation fo r
the call holding on that button (samples
shown at right).
DN 202
HOLD
Press to toggle the microphone ON/OFF while the telephone is in use. The
LED indicates the status of the microphone.
The microphone and accompanying LED are always ON when receiving
“voice first” internal [DN] calls to enable Handsfree Answerback and OFF if
you receive a ring-first call. Mic may be ON/OFF when placing an on-hook
Mic
(Microphone)
Exchange line or internal [DN] call.
Each station’s Mic can be set in system programming to switch ON/OFF with
one touch, to switch OF F only while pre ssed and he ld, or to be eith er ON /OFF
at the start of handsfree dialling.
To talkback to an HS-OCA call, press and hold Mic and talk over your
telephone handset/headset. The LED and microphone remain OFF during
OCA talkback operation (see “HS-OCA” on Page 56).
Mic functions on Handsfree Answerback and OCA calls for privacy.
Msg
(Message)
When Msg LED flashes, press Msg to call back the station or voice mail
device that activated th e LED (see “Message W aiting ” on Pa ge 5 1). This is the
telephone’s [PDN] message waiting button.
Press the same [DN] or Line that you used to dial the original number. Press
Redial
Redial. The last number called is redialled.
If you have Automatic Line Selection, you must first lift the handset.
Strata CT Digital Telephone User Guide November 2001
5
ButtonsThe Digital Telephone Grand Tour
Table 1Fixed Button Definitions (continued)
ButtonDefinitions
Press to toggle the speaker ON/OFF. The LED indicates the status of the
speaker.
Spkr
(Speaker)
▲
Vol
Vol▼
Flexible Buttons
All flexible buttons must be programmed for your telephone in system programming and vary for
individual telephones. If a button does not appear on your display or telephone keystrip label, see
your System Administrator for button assignments.
Line Buttons
You may have buttons designated as
access outside Exchange lines.
from a group of lines appearing under one button.
If your telephone does not have a
Exchange lines, you can use acc ess code s. For a lis ting of thes e codes, se e “Digital Telephone Access
Codes” on Page 155.
Spkr must be pressed and held down when switching from Handset to
Speakerphone mode.
Also selects a line or the internal [PDN] if programmed for auto preference in
system programming. Can be used to disconnect on-hook speakerphone
calls.
Press to adjust volume levels (see “Volume Controls” on Page 11).
and/or
Line
Pooled Line Grp
or
Line
Pooled Line Grp
Pooled Line Grp
enables you to access available Exchange Lines
button and you want to access outside
which enable you to directly
6
Strata CT Digital Telephone User Guide November 2001
The Digital Telephone Grand TourButtons
Directory Number [DN] Buttons
The [DN] buttons consist of: [PDNs ], [SDNs], and [PhDNs] . They are use d to initia te or answer a call
and are known as you r ext ension or i nterc om number( s). You can have mult iple [DN] bu ttons on your
telephone (see Figure 2), including [DNs] belonging to another telephone, [SDNs].
Incoming calls ring your telephone’s [PDNs] from the top down. For examp le, incoming calls to
Station 210’s [PDNs] first ri ng the “210-1” b utton, then “210-2,” and finally “210-3.” Your [PDN] is
considered busy only when all of the [PDNs] are being used by your telephone or other telephones,
and/or when your telephone is on any type of Exchange Line or [DN] call.
If you have an LCD telephone, y ou ca n f ind out the act ual Dir ec tor y Numbe r
of a [DN] button by pressing the [DN] you want to display and dialling
. The number (
#407
T ab le 2Directory Button Definit ions
ButtonDefinitions
[PDN]
Primary Directory
Number
[SDN]
Secondary Directory
Number
[PhDN]
Phantom Directory
Number
) displays.
210
Press to answer a call to the Primary Directory Number or to initiate a
phone call. The [PDN] i s sp ecific ally y our Ext ensio n Nu mber o r Interc om
Number. Your telephone can have up to four [PDN] buttons with your
number. You can set Call Forward and Voice Mail ID code for your
[PDN].
A [PDN] of another telephone which appears on your telephone is
considered a [SDN]. You cannot set Call Forward and Voice Mail ID
code for [SDNs] on your telephone.
Up to eight Phantom D irecto ry Numb ers ca n be de dicate d to a s tat ion or
shared by a group of stations. One example of a Phantom Directory
Number application is when it is used as a common phone number for
an entire department. For instance, when the [PhDN] appears on a
group of telephones, such as the Sales Department, it will ring on all of
the telephones of the group when it is called. You can only set Call
Forward and Voice Mail ID code for [PhDNs] that are owned by your
telephone. You can have a separate message waiting button and
mailbox for up to four [PhDNs] on your telephone.
DN = 210
Strata CT Digital Telephone User Guide November 2001
7
ButtonsThe Digital Telephone Grand Tour
2516
Phantom Directory Numbers
[PhDNs]
Secondary Directory Numbers
[SDNs] of Station 211
Calls to Station 211 can be
originated or answered by Station
210 by pressing the 211-1 or 211-2
Station 210's Primary Directory
Numbers [PDNs]
Figure 2Multiple Directory Numbers Example
Feature Buttons
Preprogrammed feature b utt ons ca n be as signed to your tel ephone a nd var y fo r indi vidua l tel ephones .
See Table 23 on Page 163 for a list of all the possible feature buttons.
If a button doe s not ap pear on y our disp lay or t elephone keystrip l abel, s ee your Sy stem Adminis trator
for button assignments.
540
510
500
211-1
211-2
210-1
210-2
210-3
Station 210
MW/50
580
510
500
210-1
210-2
210-3
211-1
211-2
Station 211
If your telephone has not been programmed for a
Speed Dial
in any of the procedures that appear in this guide.
8
Strata CT Digital Telephone User Guide November 2001
button, you can substitute the
*
key
The Digital Telephone Grand TourLCD
LCD
In its idle state, the 32-character LCD feature on your digital telephone gives you an accurate desk
clock and calendar combination. When you have an outside call in progress, an elapsed time display
gives a constant reminder of the call duration. Alphanumeric messaging capability is also provided
(see “Messages, Memos, and Name Display” on Page 93). All display functions occur automatically
as call processing proceeds.
A “+” next to the LCD readout (sample shown at right) on your telephone
indicates there is more d ata in memory. Press
information. Press
to switch from the CF display to the User Name
Page
display.
All LCD examples in this use r guide ar e shown with So ft Keys tur ned OFF. If your telephone has Soft
Keys turned ON, the displays may be di f feren t (e.g., t he infor mation on rows 1 an d 2 is revers ed), but
they still en able you to f ollow the step s in this guid e.
LCD Buttons
There are two sets of buttons available with the LCD, Control and Soft Key (see Figure 3). The
Control buttons consist of the Mode, Page and Scroll functions, while the Soft Keys offer access to
frequently-used features that appear as abbreviated prompts above the Control buttons.
Soft Key Prompts
Soft Key and Control Buttons
Figure 3LCD Buttons (with sample Soft Keys)
Scroll
to advance through the
TRNSCONFPGE
ModePageScroll
CF-A 201-203+
JAN 01 TUE 12: 19
0622
Both sets of buttons cannot be active at the same time.
Soft Keys are active when the Soft Keys are turned on and the telephone is active (on a call).
♦
Control buttons are active when the Soft Keys are turned off and/or the telephone is idle.
♦
(See Chapter 3 – LCD Operation for an explanation of how to use these buttons.)
Strata CT Digital Telephone User Guide November 2001
9
LED IndicatorsThe Digital Telephone Grand Tour
LED Indicators
Each line and feature button has a LED next to it which indicates the status of the line or feature
associated with the button.
Line LEDs light red or green and flash at varying rates to indicate call status (see Table 3).
Table 3LED Indicators
Use
Line or [DN] In-Use
(access outside line)
Incoming Call
(while ringing)
Hold (outside line)
If using Pooled Line
indication is only at the station that
places the call on hold.
Hold – Consultation
(during consultatio n/transfer to another
station)
Hold – Exclusive (outside line)10 pulse s/s e c ondsteady
Hold – Recall
(when held call recalls your idle
station)
Hold – Exclusive Recall
Internal Call
(while station ringing)
Busy Station Transfer
(outside call transferred to your busy
station from a designated station or
AA)
After disconnecting first call...10 pulses/second2 pulses/second
1 second at 2 pulses/second,
1 second at 10 pulses/second
1 second at 2 pulses/second, 1
second at 10 pulses/second
Your [PDN] flashes 10 pulses/
second—1 second off
4 pulses/second, 1/8 second ON/
OFF
steady
one second ON/OFF
1/2 second ON/OFF
flashes
steady
[SDN] red flashing or
green ringing
3/4 second on, 1/8
second OFF
10
Strata CT Digital Telephone User Guide November 2001
The Digital Telephone Grand TourOn-hook/Off-hook
On-hook/Off-hook
Some procedures in this user guide instruct you to perform a step while “on-hook” or “off-hook.”
These terms refer to the position of the handset. “Off-hook” indicates that the handse t s hould b e lif ted
off of the telephone cradle. “On-hook” indicates that the handset should remain in the cradle and
should not be lifted.
Volume Controls
Your telephone has a volume increase and decrease button for controlling speaker and handset
volume levels.
You must hold down either button (
Vol
occur. If you continually hold down either button, the volume continually changes about every half
second until the level limit is reached.You hear ring tone as long as you press a Volume button when
your telepho ne is idle.
The method for chan gin g feature volume varies . So me f eat ur es can be adjusted using only the
▼ (see Table 4) and others require additional buttons (see Table 5 on Page 12)
Vol
.
Table 4Using only Vol ▲/Vol ▼
Feature
Ring Tone Volume/Incoming Handsfree
Answerback and Speaker OCA
Handset ReceiverOff-hook
Phone
Status
On-hook,
Idle
▲/
▼) for at least 1/8 second for any volume change to
Vol
Comments
Adjusting the ring t one volu me als o ch anges the vo lu me le vel of
incoming Handsfree Answe rback and Speaker OCA ca lls before
they are answered by pressing a [DN].
After a call is terminated and the handset is o n-hook, the volum e
level returns to the “original” level for the ne xt call. This “original”
level can be adjusted to higher/lower in system programming.
Vol
▲/
Strata CT Digital Telephone User Guide November 2001
11
Volume ControlsThe Digital Telephone Grand Tour
Table 5Using Vol ▲/Vol ▼ with Other Buttons
Feature
Microphone Sensitivit y
Handset/Headset Call
Waiting Tone
Muted Tone Burst
Tone sent for Busy or DND
Override, Call Transfer with
Camp-on, etc.
Ringing, H andsfree
Answerback, and Speaker
OCA.
Speaker
Phone
Status
On-hook/
Off-hook
On-hook/
Off-hook
On-hook/
Off-hook
On-hook
On-hook
On-hook,
idle
PressComments
While pressing,
hold Mic and Vol
▲/
/Vol
▼ for three
//
seconds.
While pressing,
hold Redial and
Vol ▲
While pressing,
hold Redial and
Vol ▼
[DN] followed by
#6101 then
▲/Vol
▲/Vol
▲/Vol ▼
▼
Vol
#6102 followed
by Vol
[DN] followed by
Vol
The Mic LED flashes about six times while s etting the
sensitivity. When the microphone is set for the lowest
or normal sensitivi ty, the Mic LED lights st ea dy whe n
the telephone is busy on a speakerphone call.
The tones are received over the handset/he ads et
and speaker.
The tones are received over the speaker.
You hear the muted tone for 15 seconds or until
disconnected by pressing Spkr.
Your phone rings for 15 seconds or until
disconnected by pressing Spkr. Enables you to
▼
check if you can hear ringi ng at a di sta nc e from your
telephone.
After you press a [DN], you hear dial tone.
Adjusts Internal and Exchange Dial Tone,
Background Music.
12
Strata CT Digital Telephone User Guide November 2001
Features
This chapter lists all the digital telephone features in alphabetical order beginning on Page 18. These
features can be performed on 2500 -series digital te lephones equ ipped with or wit hout LCDs. Featur es
which require a telephone equipped with a speakerphone are noted.
Before You Begin
If you are a new user of the Strata CT digital telephone, you need to find out if your telephone has
been set up for Automatic Line Selection and Ringing Li ne Preference. You will also need to know if
your telephone has tone or voice first signalling when you receive an internal call:
2
Tone Signalling rings.
♦
Voice First Signalling does not ring; instead you hear a long tone, then the caller’s voice.
♦
Each of these features are enabled in system programming and determine how you will make and
answer calls on your telephone.
Strata CT Digital Telephone User Guide November 2001
13
Before You BeginFeatures
Automatic Line Selection
You have Automatic Line Selection, if y ou h ear dial tone and the [DN], Li ne ,
or Pooled Line Grp LED lights steady green. The LCD displays the station
number (
201) and the seized Exchange line (sample shown at right).
➤ Lift the handset or press
You do not have Automatic Line Selection, if you hear silence.
➤ Press an available [DN] or
Ringing Line Preference
You have Ringing Line Preference , if you ca n answer a line ringi ng your stat ion by l ifting t he handset
or pressing
. You do not have Ringing Line Prefe rence, if you h ave to pr ess the button as sociated
Spkr
with the ringing call (flashing LED) to answer the call.
If your telephone does not have Automatic Line Selection, press the flashing [DN] or
before using the handset or
Signalling
If you hear a long tone, followed by a caller’s voice, you have Voice First Signalling.
➤ Talk in the direction of your telephone
...or answer the call as you normally would using either the handset or
If you hear successive ring tones, you have Tone First Signalling.
Spkr
Line
Spkr
.
before dialling.
.
Spkr
NO. 201
USING LINE 11
first,
Line
.
14
.
➤ Lift the handset or press
NoteYou can change to the alternate signalling method when making a call on a call-by-call basis
by pressing
after dialling an internal telephone number.
1111
Spkr
Strata CT Digital Telephone User Guide November 2001
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