DigiTech C0408 User Manual
COMDIAL
DIGITECH
Digital Telephone System
System Manual
This publiiion is
following
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CQ408 Rev. A and
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COmmoR
Rev. A and kter
Rev. A and later
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to the
MI 66-083.01
TABLE OF CONTENTS
Table
Of Contents
CHAPTER 1 SYSTEM OVERVIEW
SECTION 1 INTRODUCTION
SECTION 2 PUBLICATIONS OVERVIEW
ManualScope
Related Publications
SECTION 3 HARDWARE SUMMARY
Common Equipment Description
Station Description
SECTION 4 GENERAL SPECIFICATIONS
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CHAPTER 2 DESCRIPTION OF SYSTEM FEATURES
Abandoned Hold Release
Access Denied
Account Code Button
Account Codes Positive Verification
AtI-Call Paging
Area Paging Interface
AssistButton..
Automatic Call-Back
~~~~t-rdc Dialing
Automatic Hold For Intercom
Automatic Hold -Transfer To Intercom
Automatic Hold - Transfer To Line
Automatic Pause Insertion
Automatic
Automatic Redial
Automatic Station Relocation
Auxiliary Equipment interface
Auxiliary Ringer Interface
Background Music
Basic Key Service
Battery Back-Up
Battery Back-Up
Block Programming
Call Announce Wiih Handsfree Answerback
Call Costing And SMDA Reports
Call Forwarding
Call Forwarding - Personal
CallPark
Call Pickup - Directed
Call Pickup - Group
Call Transfer - Screened
Call Transfer - Unscreened
CalI Waiting Tone
Calling Station Identification On BLF
Class Of Service Programming (From Main Station)
Class Of Service Programming (From VDT)
Class of Service Program Printout
Common Audible Ringer Interface
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Prbcy
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(lA2)
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Interface
On
All Calls
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&nferencing - Add-On
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Table Of Contents
IMI 66-r-
Conferencing - Multiline
Conferencing - Unsupervised
DataSecurity
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Default Functional Program
Defautt Toll Restriction
Delayed Ringing
Departmental Calling Distribution Report
Designated Programmable Buttons
Dial 0 For System Attendant
Direct Department Calling With DCD
Direct Inward Station Dialing
Direct Station Call Hold
Direct Station Selection Programmable
Distinctive Ringing
Do Not Disturb
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Do Not Disturb Inhibit
Do Not Disturb Override
Dual Intercom
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Dynamic Line Buttons
End-To-End Signalling On Intercom
End-To-End Signailing On Lines
Exclusive Hold
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Exclusive Hold System-Wide Enable/Disable
Executive/Attendant Override
External Paging Interface
Feature Inhibit
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Flexible Ringing Assignments
Flexible Ringing Assignments Of PA Port
Flexible Station And Line Class Of Service Control
Flexible Station Numbering Plan
Full Button Programmability Of Features
Handsfree Answer Inhibit
IHoldAndIUselndications
Idle Line Preference
intercom Call Progress Tones
IntercomHuntGroup
Intercom Line Timeout
Last Number Redial
LCD Messaging
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LCDSupport.......................................................2-1
Line Access Restriction
Line Answer From Any Station (Night Mode)
Line Groups
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Line Preselection
Line And Line Group Queuing
Manual Hold
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Meet-Me Answer Page
Memory Retention Without Batteries
Message Waiting
Modular Wring And Jacks
Music Interface
Music-ChpHoltj
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Music-On-Hold System-Wide Enable/Disable
Ml&
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Night
Transfer
(Of Ringing)
On-Hook Dialing
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Table Of Contents
Originating Denied
PBXICENTREXICO Compatible
Personalized Ringing Tone
Pooled Line Access
Power Failure Transfer
Prime Line Automatic
Privacy - Designated Programmable Button
Privacy Release/Brokerage Service
Private Lines (Access Denied)
Programmable Direct Station Selection/Busy Light Field
Programmable Buttons
Pulse/Tone Switchable
Response Messaging
Remote Programming And Administration
Ringing Line Preference
Saved Number Rediat
secure Off-Hook Voice Announce
secure Off-Hook Voice Announce Button
Secure Off-Hook Voice Announce Groups
Self Diagnostics
Service Observing
Speakerphone Support
SquareNon-Square Configuration
Station By Station Privacy
Station Message Detail Accounting
Station Message Detail Recording
Station Monitoring With DSS Call Pickup
Station Speed Dial
Station-To-Station Messaging
Subdued Ringing
System Alarm Reports
System Speed Dial
Tandem Attendant
Tap
(Flash)lRecafl
Tenant Service
Timed Hold Recall
Toll Restriction (0 And 1)
Toll Restriiion (Flexible)
Toll Restriction (Night Mode)
Tone Or Voice Signalling (Intercom)
Transfer/Conference Button
Unanswered Call Transfer Recall Timing
Voice Announce Blocking
Voice Mail Transfer on Busy
Zone Paging (Via Station Speakers)
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CHAPTER 3 INSTALLATION
SECTION
i STANDARD INSTALLATION DETAILS
Mounting Considerations
Mounting Procedure
AC Power Connection
System Grounding
Line Connections
Station Connections
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V
3-l
3.1
3-l
3-l
3-3
3-3
3-5
3-5
Table Of Contents
IMI 66,’
SECTION 2 OPTION INSTALLATION DETAILS
Key System/Hybrid Configuration
Power Failure Station Connections
Auxiliary Equipment Interface
Common Audible And Auxiliary Ringing interface
External Paging Interface
External Paging Interface - Line Port
Data Device Connections
Music Interface
SECTION
3 ADD-ON EXPANSION MODULES
Introduction
Installation
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SECTION 4 SOFTWARE CARTRIDGE ,
Introduction
Installation
SECTION
SECTION 6
5 DATA COMMUNICATIONS WITH THE DIGITALTELEPHONE SYSTEM
Equipment Required
Connections
Communications Procedures
Initial Condition
Checkout ......................................................
Resistance Check
VoWe
General Check
Failure Isolation
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SYSTEM CHECKOUT AND FAILURE
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Check
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SECTION 7 FCC RULES AND REGULATIONS
CHAPTER 4 SYSTEM PROGRAMMING
SECTION
Programming Overlays
i
GENERAL INFORMATION
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SECTION 2 CLASS OF SERVICE PROGRAMMING
Master Clear
System Defautts
System Configuration
Line Configuration
Station Configuration
Direct Inward Station Dialing
Analog Terminal Interface
Toll Restriction Table Configuration
Data Printer Service
Integrated Call Costing
Station Message Detail Accounting Reporting
Attendant Configuration
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SECTION 3 VIDEO DISPLAY TERMINAL PROGRAMMING
lntdu&n
VDT Programming Procedure
Remote Programming
Typical PC Operation
Menu Descriptions
Main Menu Selections
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3.32
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Table Of Contents
System COS Menu Selections
Line COS Menu Selections
Station COS Menu Selections
Toll Restriction Table Administration
CHAPTER 5 SYSTEM OPERATING PROCEDURES
SECTION 1 STATION OPERATION
Answering Calls
Making Calls
Holding Calls
Transferring Calls
Conferencing
Messaging
Voice Announce Blocking
Line Monitoring
Recall/Flash
Paging
Do Not Disturb
MuteIHandsfree Answer Inhibit
Pulse/Tone Switching
Personal Ringing Tones
Background Music
CaltFonvard
Automatic Call-Back
CallWaiting
Service Observing
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Executive Override
Speakerphone Operation
Departmental Station Operation
Station User Programming
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SECTION 2 ATTENDANT STATION OPERATION
System Clock
System Speed Dial Programming
Night Transfer (Of Ringing)
Music On Hold
LCD Messaging
Station Names
Station Message Detail Accounting (SMDA) Printout
System Alarm Reporting
Direct Inward Station Dialing
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SECTION 3 SYSTEM OPERATlNG CHARACTERISTICS
Feature Code Numbering Plan
Ringer
Status Indicators And Tone Sequences
Display
Volume Control
Intensity
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CHAPTER6 MAINTENANCE
Technical Assistance And Repair Service
Fuse Location
Wiring
Station Wall Mounting
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Table Of Contents
LIST OF ILLUSTRATIONS
IMI
66
’
Figure l-1.
Figure l-2.
Figure 1-3.
Figure 3-l.
Figure 3-2. AC Power Connection And System Grounding
Figure 3-3.
Figure 3-4.
Figure 3-5. Typical Station Connections
Figure 3-6.
Figure 3-7.
Figure 3-8. Auxiliary Interface Connections
Figure 3-9. Typical Common Audible Interface Wiring
Figure 3-l 0.
Figure 3-l 1. Typical External Paging Connection - Line Port
Figure 3-12.
Figure 3-13.
Figure 3-l 4.
Figure 3-l 5.
Figure 3-l 6. Software Cartridge Installation and Removal
Figure 3-l 7.
Figure 4-l.
Figure 4-2. Call Costing Diagram
Figure 4-3.
Figure 5-l.
Figure
6-1.
Programming Overlays
Outline Dimensions - Common Equipment
Outline Dimensions - Station Equipment
Station Images
Mounting Dimensions
Common Equipment, Station And Line Connections
Typical Line Connections
Key/Hybrid Configuration
Power Failure Connection
Typical External Paging Connection
Typical Data Device Connections
Music Interface
Add-On
Expansion Module Configuration
Expansion Module Installation
Data Communications Interconnection Diagram
Location Of Keys On Telephone Faceplate
Remote Programming Block Diagram
Controls and Indicators
Station Wall Mounting Details
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LIST OF TABLES
Table
3-l.
Table 3-2.
Table 3-3. Station Connections (E-Line,
Table
3-4a. Station Connections (16-Line,
Table 3.4b.
Table 3-5. Line Connections - 408 Expansion Module
Table 3-6.
Table
4-l.
Table
5-l.
Line Connections
Station Connections (CLine, E-Station)
Station Connections (16-Line,
Station Connections
Character Dialing Codes Chart
Character Codes
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16Btation)
3PStation)
32Station)
-
408 Expansion Module
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3-6
3-7
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0
6
System Overview
CHAPTER
SYSTEM OVERVIEW
SECTION 1
INTRODUCTION
The digital telephone system is an expandable
communications system with many attractive
characteristics including the following:
Unitized base unit which includes all system
features.
self-contained.
Expansion modules which increase station and
line capacity.
available. It can be added singly or in pairs to
increase the station and line capacity of an existing
base unit installation.
Secure off-hook voice announce (SOHVA) feature.
The SOHVA feature allows a station user to talk to a
busy station without being heard by the outside party
at the busy station. The called user can easily send
back a pre-programmed LCD message or talk to the
caller without being heard by the outside party.
Programmable buttons.
buttons can be programmed to provide functions such
as direct station selection (DSS), auto dial, system
The base unit is full featured and
A 4-line, 8-station expansion module is
Many of the telephone
feature access, line access, messaging and more.
Programmed buttons helps station users eliminate
manual dialing errors.
Service
quality of service without interrupting calls by
monitoring a trainee’s call without being heard by the
distant party at the trainee’s station.
Handset volume control on all stations.
volume can be set to a comfortable listening level for
each individual user of the telephone.
Call cost display.
outside call costs. Special programming allows an
LCD speakerphone to display the accumulating cost of
a call.
Dual intercom.
provided so that station users can handle two intercom
calls at once. One intercom call can be placed on
hold while a second intercom call is serviced or both
calls can be conferenced together.
1
observing.
Supervisors can help insure
Handset
Built-in software records all
A second intercom key can be
System Overview
IMI 66.
SECTION 2
PUBLICATIONS OVERVIEW
MANUAL SCOPE
l
This publication contains a technical discussion of the
digital telephone system. Included in this manual is
the following information:
Chapter 1, System Overview:
This chapter
provides a generalized understanding of the
system, an explanation of the supporting
documentation, and a summary of the equipment
Related publications, which contain additional
information applicable to this system, are available
from the manufacturer.
They are as follows:
hardware.
Chapter 2, Feature Description:
This chapter
provides a detailed discussion of the features
GENERAL INFORMATION
l
provided by the digital telephone system.
Chapter 3, Installation:
This chapter provides
USER INFORMATION
detailed installation instructions and connection
details.
Chapter 4, Programming:
This chapter provides
detailed programming instructions for setting the
operating parameters of the system.
Chapter 5, Operation:
This chapter summarizes
l
l
l
operating procedures and provides special tone
and indicator details.
Chapter 6, Maintenance:
Special maintenance
details are provided in this chapter.
RELATED PUBLICATIONS
IMI 01-005 Handling of Electrostatically Sensitive
Components
GCA 70-l 82 Attendant’s Guide
GCA 70-l 83 System User’s Guide
GCA 70-l 84 Station User’s Guide
.
..a.
au-u83
System Overview
SECTION 3
HARDWARE SUMMARY
The digital telephone system consists of an electronic
Key Service Unit (KSU) base unit, usually referred to
as common equipment, optional expansion modules to
extend station and line capacities as required, a
software cardridge containing the operating
System
programming, dedicated digital electronic key
telephones, and interconnecting wiring consisting of
small, 2-- or 4--conductor, twisted-pair cable.
The station and line capacity of the base unit and
optional expansion module are per the following chart.
MODEL
NO.
CO408 4
CO81 6
Cl 632
CO/PBX
CAPACITY
8
16
STATION
CAPACITY
8
16
32
CM408 4 8
The digital telephone system is full featured, and
supports the digital telephone models.
The digital system is expandable in both line and
station capacity with the addition of add-on expansion
modules. Refer to
Figure 3-14
on page 3-24 for an
illustration of the expansion configurations.
can be read. As the system clock goes through the
clock cycle, all necessary digital information is passed
between the pieces of equipment sharing the highway.
The common equipment consists of a base unit, which
provides complete feature support, and optional
expansion modules which provide extended station
and line coverage.
The wmmon equipment is contained in a functional,
modem-style metal housing of contemporary design in
keeping with the needs of the modem off ice
environment. It is engineered to be wall or rack
mounted. The outline dimensions of the common
equipment base units are illustrated in
The digital telephone stations employed with the
digital system are electronic, microprocessor-
controlled, devices. They allow not only multiline
pickup but also single key access to features available
from the serving CO, PBX, or
well as the wmmon equipment. The digital telephone
is available in two different images. The features of
the images are as listed below and as detailed in
Figure
The wide-image digital telephone provides the
COMMON EQUIPMENT
The common equipment base unit is a fully electronic
DESCRlPTlON
following features:
l
device. It is essentially a special purpose computer
l
system acting as a communications controller
between central off ice (CO), private branch exchange
(PBX), or
CENTREX
supplied lines and the proprietary
digital telephone stations. The software architecture
of the common equipment provides complete system
support
and
great flexibility of operation.
3 fixed buttons with indicators
. SPKR
l HOLD
.
3 fixed buttons without indicators
The system is fully digital and is ISDN up-gradable
with two usable time slots available for each station.
The digital information passes over time division
multiplexing (TDM) highways. The digital information
is an encoded version of the voice transmission and
control signals that are translated into computer
language. The TDM highway can transmit several
signals over a single pair of wires at the same time.
The signals are governed by a system clock. This
clock creates an overall point of reference against
which the TCM information is synchronized and
partitioned into time slots. A time slot is a portion Of
time assigned to a particular position of the system
clock. Each time a particular clock position
iS
reached, the information associated with that position
Figure l-l.
STATION DESCRIPTION
CENTREX
l-2
and in
Figure
l-3.
Full modular connection
ITCM
l TAP
.
TRANS/CONF
. MUTE
Programmable buttons with indicators
7-foot, G-conductor line cord
6 position, 4- or 6-conductor modular line jack
K-type handset (hearing aid compatible)
Ringer volume control (Off, Low, and High)
Wall mounting capability
switch
as
System Overview
IMI 66
The image designations refer to the number of
programmable buttons located below the keypad,
including the hold and intercom buttons, as opposed
to the number of programmable buttons located above
the keypad.
l
The 10x14 image provides a moderate sized line
button matrix along with a moderate sized priority
line button grouping. This image is best suited for
typical work area stations. The 10x14 image is
available in both monitor and speakerphone
versions.
l
The LCD speakerphone is available in a 5x14
image, This image provides a priority line grouping
and contains a liquid crystal display which shows
call handling data and other usefutinformation. The
LCD speakerphone is used as an attendant station
as well as being very applicable for use as an
executive station.
l-4
I-
+
System Overview
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Figure 1-l. Outline Dimensions n Common Equipment
1
I
%-Line. 3%Station Base Unit
2
+
l-5
2
2.89 -c-l
System Overview
l-6
_-
d33 System Overview
0
0
0 0 0 0
I’r
t
0
0
0 0 0 0
J
0
l-7
System Overview
IMI 66-u,.
SECTION 4
GENERAL SPECIFICATIONS
SYSTEM CAPACITY
LINES:
STATIONS:
DSSBLF CONSOLES:
INTERCOM PATHS:
MAXIMUM SIMULTANEOUS
INTERCOM CONVERSATIONS:
PAGING PORTS
PARK ORBITS
SPEED DIALS
SYSTEM
STATION
AUTODIALS
POWER FAIL CIRCUITS
CONFERENCING
(Maximum Combinations
At Any One Time)
POWER REQUIREMENTS
(Fully loaded system)
AC POWER:
DIMENSIONS (approximate)
COMMON EQUIPMENT
WIDTH (inches):
HEIGHT(inches):
DEPTH (inches):
WEIGHT (pounds):
STATIONS
FOOTPRINT (inches):
WEIGHT (pounds):
STATION CABLE REQUIREMENTS
TYPE:
MAXIMUM LENGTH:
SWITCHING PRINCIPLE:
4-LINE,
8-STATION,
4
8
(FUTURE FEATURE)
Non-blocking
Non-blocking Non-blocking
1
9 9
99
10
Unused buttons
1
1
five-way plus 1 three-way
plus 2 SOHVA
2 four-way plus 2 SOHVA
1
four-way plus 3 three-way
5 three-way plus 1 SOHVA
90 - 129 VAC Singlephase - all models
0.6A 2.0 A 2.1A
7ow 135w
8OVA 19OVA
16.5 16.5 16.5
21.3
3.8 3.8 4.5
17.5 26
8.625 X 7.658
2.5
P-wire (l-pair) twisted, non-shielded.
1000 feet with 24 gauge wire
Digital, time division multiplexing (TDM). Provides non-blocking
switching with stored program control
8-LINE, 16-LINE
16-STATION 32STATION
8
16
Non-blocking Non-blocking
1 1
99 99
10
Unused buttons Unused buttons
1 1
27.1 27.6
16
32
Non-blocking
9
10
4 five-way plus 5 three-way
plus 1 SOHVA
6 four-way plus 2 three-way
3 four-way plus 9 three-way
16 three-way
150w
200VA
30.5
dysrem Overview
OPERATlNG ENVIRONMENT
TEMPERATURE:
HUMIDIlY:
TEFlMlNATlONS
STATION:
LINE:
STATlON MESSAGE DETAIL
RECORDING PORT
FORMAT:
PARITY:
DATA BITS:
STOP BITS:
BAUD RATE:
HANDSHAKING:
CABLE LENGTH:
MUSIC INTERFACE
INPUT LEVEL:
INPUT IMPEDANCE:
CONNECTOR:
PA PORT
OUTPUT LEVEL:
OUTPUT IMPEDANCE:
CONNECTOR:
CENTRAL OFFICE LIMITS
LOOP LIMfTS:
CABLE INSULATION LEAKAGE:
INDUSTRY/REGULATORY
STANDARDS:
IMI 66-083
32-122 degrees F (O-50 degrees C)
90 percent relative, non-condensing
Standard 50-pin male connectors for connection to external
distribution field.
Standard, G-conductor mini-jack (USOC 14C)
Serial, pseudo RS-232C
None
7 or 8 (programmable)
1 or 2 (programmable)
Programmable in class of service
Xon
-Xoff
Hardware - CTS
500 Feet maximum
3 Vofts peak-to-peak maximum
Approximately 500 Ohms
RCA phono jack
400 Millivolts peak-to-peak (typical speech)
Approximately 500 Ohms
RCA phono jack
1900 Ohms maximum loop
15,000 Ohms minimum
FCC Certified, part 15 (Class A)
FCC registered (fully protected)
LISTED by OSHA-accredited, nationally recognized, test laboratory
EIA RS478
Bell publication 48002 guidance
Hearing aid compatible handset
MEMORY RETENTlON
AFTER POWER LOSS:
FCC REGlSTRATlON NUMBER:
KEY SYSTEM:
HYBRID SYSTEM:
RINGER EQUIVALANCE NUMBER:
PRODUCT CODES:
CO408 -
4-Line ,8-Station
CO81 6 - a-Line, 16Station
Cl 632 -
16-Line, 32-Station
CM408 - 4-Line, a-station
Expansion Module
60 hours minimum
CWVUSA-61535-KF-E
CVWUSA-61536-MF-E
1.38
7714X - 1 OX14 Image Monitor
7714s - 1 OX14 Image Speakerphone
7700s -
5X14
Image LCD Speakerphone
ware
SO408
SO816
S1632
Cartndgg
IMI 66-083
DeSCriDtiOn of
CHAPTER 2
DESCRIPTION OF SYSTEM FEATURES
Svstem
Feat3
ABANDONED HOLD RELEASE
If an on-hold party hangs up at the CO/PBX end of a
connection, causing an interruption in the line current,
the system will drop the line from the hold condition
and return it to service. The time interval between
hang-up and line-drop is programmable in line class of
service programming with choices of either 50 msec or
350 msec. This feature is usually dependent upon
special arrangements that must be made at the CO
end of the connection. The line select indicator will
turn off to indicate an idle line after a call on that line
hasbeenabandoned.
transferred. On transferred calls, the transferee is
associated with the call record. On incoming calls, the
last user active on a call is the one that is associated
with the costed call record. The system can be
programmed to place an appropriate message on the
display to remind users of LCD speakerphones to
enter an account code. Account codes may be from
three to eight digits in length as set by class of service
programming. When the user enters an account code,
the system will force the use of the programmed
length, but will verify only the first three digits to
determine validity.
ACCESS DENIED
Access to particular lines can be denied at certain
stations in the system through system programming.
A station user cannot select a denied line for use.
This feature is programmable on a per line/per station
basis in station class of service programming.
ACCOUNT CODE
Station class of service programming can be used to
assign an Account Code button to any programmable
button location at a station as part of the button
mapping procedure. With this Account Code button
available, the user can press it and then dial the
account code without interrupting the call. Only the
user of the Account Code button will hear the DTMF
tones when the code is dialed. The distant on-line
party will not hear the DTMF tones, and the line will
not be placed on hold. The distant on-line party can be
heard while the account code is being dialed.
BUITON
ACCOUNT CODES WITH
POSITIVE VERIFICATION
Specific account codes can be assigned by station
users to specific types of calls. The account codes
are used by the system to identify calls by category, or
special grouping, for call recording purposes. All calls
with the same account code will be reported together
by the station message detail accounting feature.
The system may be programmed to verify the user
entered account code and sound an ermr tone if it is
incorrect. The system may be programmed by call
costing and SMDA reporting class of service
programming to permit station users to enter account
codes for incoming calls and/or out going calls if
desired. Account codes are entered while on line
either before an out going call is dialed or after the
distant patty on an incoming call has hung up. On out
going calls, the user who enters the account code is
associated with the call record except when the call is
All-call paging allows all stations to receive
announcements through the station speaker at once.
All-call paging is also sent to the paging port where it
can be applied to the input of an external paging
amplifier. Origination of announcements must be via
the station handset. Each station can be programmed
to receive and/or originate all-call page. The ability to
receive and originate all-call paging at a station is
enabled by station class of service programming. Also
see the discussion titled: Zone Paging.
Refer to the discussion titled: ExternalPaging
Interface.
This feature allows a station user to program a button
to be used for sending a message to an LCD
speakerphone. Once programmed, the station user
can press the ASSIST button at anytime and then
press a DSS button to sound a tone burst at the called
station and present a preprogrammed message in the
station display. A message can be sent while on a call
without alerting the distant party. This feature is useful
for requesting assistance while engaging on a call. For
example, a customer service representative could
request assistance from a supervisor while talking to a
problem caller. The supervisor, upon receiving the
tone and noting the display message, could perform
an executive override or service observing action to
join the call or monitor it.
If a busy tone is encountered after an intercom station
is called, a special code number can be dialed that will
cause the system to automatically ring the calling and
called stations when the called station becomes idle.
ALL-CALL PAGING
AREA PAGING INTERFACE
ASSIST
Bull-ON
AUTOMATIC CALLBACK
2-l
-rVI @on
Of System Features
IMI 66-083
No class of service programming is required to enable
this feature.
AUTOMATIC DIALING
The system supports up to 22 auto dial positions per
station. Autodial buttons can store up to 16 digits plus
an intercom or line selection. Stored digits include
9-0, ++ and #. A pause is stored at any point where the
HOLD button is pressed, and a hookflash is stored at
any point where the TAP button is pressed. Automatic
dialing can be used to provide one-button access to
system features. No class of service
programming is required to enable autodialing. Also
refer to discussions titled: Automatic Pause Insertion,
Station Speed Dial, and Programmable DSS/BLF.
AUTOMATIC HOLD FOR INTERCOM
If the second intercom line is selected while a call is
active on the first intercom line, this feature causes the
first intercom call to be automatically placed on hold.
Station class of service programming is required to
enable this feature.
AUTOMATIC HOLD - TRANSFER TO
INTERCOM (ANSWER HOLD)
If the intercom line is selected while an outside line
call is active, this system feature causes the outside
call to be automatically placed on hold. No class of
service programming is required to enable this feature.
AUTOMATIC HOLD - TRANSFER TO LINE
This system feature is made available through
programming to selected stations. When enabled,
pressing any line button will cause an active line to
automatically go on hold. This feature allows a user to
move from line to line without having to press the
HOLD button to place any current calls on hold.
Station class of service programming is used to
enable this feature at the desired stations.
AUTOMATIC PAUSE INSERTION
When the system stores a dialed number for later
redial, it automatically stores a pause whenever the
user watts between digits for at least two seconds.
The automatic pause is inserted in the stored number
sequence at the point where the manual pause in
dialing occurred. The length of the pause is fixed at
two seconds by the system.
AUTOMATIC PRIVACY
A line can be made private or non-private through
programming. In the private mode, a station has
exclusive use of the line during a call.
can access that line unless it is included through
No other Station
the
use of the add-on conference feature. In the
non-private mode, another station with that line
appearance can gain access at the same time
(sometimes known as common line pickup). A line is
specified as private or non-private through the line
class of service programming. Through station class
of service programming, a line can be made
non-private at a particular station. Also see the
discussions titled: Conference - Add-On and Privacy
Release.
A busy number or unanswered call can be
automatically redialed by activating this feature. Once
automatic redial is activated, the station will select the
line, automatically dial the number, and wait for a
response. It will do this once a minute for
approximately 10 minutes unless deactivated because
that button or another button is pressed or the handset
is lifted. The feature cycle is timed and does not have
busy detection circuitry. Because of this, if operating
handsfree when the called party answers, the handset
must be taken off-hook to prevent the caller from
being cut off by the timing cycle. Automatic redial is a
designated programmable button position and must be
programmed by the user to be active but no class of
service programming is required.
With this feature, the system will automatically
recognize a particular station should that station be
relocated to a new station port. When installed at the
new pori location, the station will continue to provide
the same class of service parameters and respond
the same extension numbers as it did at the original
station port. This system feature is enabled with
system class of service programming.
A non-key system telephone device or a data device
can be connected to a line ahead of the common
equipment by using the auxiliary equipment interface.
The system can detect an off-hook condition in the
device connected to the auxiliary equipment interface,
and turn on the status light for that line at the button
system telephones.
line is busy and not available for station use. Auxiliary
equipment interface connections provide connections
to lines 2 and 4. Pressing the line button on a system
station cannot interrupt an external device unless the
line has been programmed to be non-private.
The auxiliary ringer interface provides “dry-contact”
relay closures which track the ringing pattern
AUTOMATIC
REDIAL
OF BUSY
NUMBER OR UNANSWiRED CALL)
AUTOMATIC STATION RELOCATION
ta
AUXILIARY EQUIPMENT INTERFACE
tt
does this to indicate that the
AUXILIARY RINGER INTERFACE
2-2
lMl66-083
Description Of System Feat!
activated when station port 17 rings or when ringing
sent to the paging port.
When programmed for station port 7 7 ringing, an
external device is often used to provide loud ringing.
When programmed for paging port ringing, an external
paging amplifier is usually employed. The system
supplies ringing tones to the paging port along with the
relay closures. The ringing tones can be sent to the
input of an external paging amplifier. The relay
closures can be employed to energize the paging
amplifier while the ringing tone is being sent to it.
System class of service programming is used to
choose either the paging port. or station port 17 for the
ringing port relay control. System class of service also
determines the type of ringing sent to the paging port.
Station class of service programming determines the
type of ringing sent to station port
discussions titled: Common Audible Ringer
and External Paging Interface.
17.
Also refer to the
/fIrerfaCe
iS
BACKGROUND MUSIC EXTERNAL
MUSIC SOURCE RE6
If an external music source is provided, background
music can be turned on and off at individual stations.
The loudness of the background music is adjusted with
the call monitor speaker volume control, and the
background music automatically turns off during calls.
No class of service programming is required to provide
this feature. Also refer to the discussion titled: External
Music Source.
BASIC KEY SERVICE
The system provides all of the basic, 1 A24ype, button
service features. These features are: selective line
pickup, common line pickup, muftiline pickup, and
hold. No special class of service programming is
required.
(lA2)
UIRED)
EMULATION
BATTERY BACK-UP
(CHASSIS, CABLE, AND BATTERIES)
Battery back-up assemblies including chassis, cable,
fuses, and batteries are offered as optional kits
(available from Comdial). The assemblies are
designed to connect directly to the unintenuptable
power source (UPS) interface located on the common
equipment chassis. No user intervention is required
with this feature, and no class of service programming
is required.
BAlTERY
Provision has been made for attaching a Comdial
provided optional battery back-up kt to give full
uninterrupted system power in case of an AC power
BACK-UP INTERFACE
loss. The switching and charge circuitry are in the
common equipment, while batteries, chassis, and
cable are packaged as a separate option. When
plugged into an active AC power source the common
equipment will constantly charge the attached
batteries. Built-in circuitry automatically switches to
battery power when AC power is lost. Wrth batteries at
full charge, a fully loaded system will operate for a
minimum of one hour without AC power.
A class of service assigned to a particular station or
line can be assigned to an entire block of stations or
lines with one programming action. This feature
eliminates the need to individually program stations
and lines wfth the same class of service. Block
programming class of service can be performed after a
station class of service or line class of service has been
programmed for a particular station or line.
CALL ANNOUNCE WITH HANDSFREE
The internal speaker at each station provides
call-announce capability over the intercom link. A
handsfree response to a call-announce call can be
made. This response is transmitted by the microphone
built into the telephone housing..
CALL COSTING AND STATION MESSAGE
The system provides buift-in, estimated costing of all
outside calls. tt also provides station message detail
accounting (SMDA) printout reports of all costed calls
as well as displayed call costs on LCD speakerphones.
Call costing, in general, provides a means of
establishing costs to be applied to outside calls made
from system telephones. Call costing computes
charges for a call after it is completed. lt does not
restrict dialing as toll restriction does. Call costs are
based on a two-tier time rate and includes a line
surcharge cost. Allowances can be programmed for
call set-up and minimum call duration. The system
provides several ways of determining call costing
making it is possible to apply reasonable rates for the
entire country.
The system is arranged to automatically provide a
report whenever the costed call storage reaches 95
percent of capactty. Additionally, programming can be
effected that causes these reports to be printed
automatically at a specific time of day.
There are five different SMDA reports which can be
produced:
BLOCK PROGRAMMING
ANSWERBACK
DETAIL ACCOUNTING REPORTS
’
2-3
_-, +ion of
System Features
IMI 66-083
l
Detailed report sorted by stations
l
Detailed report sorted by account codes
0
Line summary report
l
Department summary report
l
A general output of all records
number or station name for the station from which an
intercom call was forwarded.
Call forwarding on intercom allows a station user to
designate another station number (or the attendant
station number) to be the recipient of intercom calls
Upon completion of report printing, all records used for
the reports can be deleted. Any call records created
between the time the report printout was started and
completed will not be deleted. If the reports are not
deleted after they are printed, a later command to
delete records will delete all records at that point and
not just the ones that were printed in the previously
generated reports. Programming action can be taken
normally directed to that user’s station. For each
intercom call received while call forward is enabled, a
ring reminder (short tone burst) will be sounded at the
forwarding station to remind the user that the calls are
being forwarded. On LCD speakerphones that are
recipients of call forwarding, the display will indicate
the extension number or station name for the station
from which an intercom call was forwarded.
to always delete the records after they have been
printed. The attendant has the ability to request
particular reports to be printed at any time they are
required.
Account codes can be established to allow system
users to identify calls by category or by any other
desired grouping so that costing by that category or
grouping can be reported. Department numbers can
be defined and stations assigned to different
departments so that call cost reports can be produced
on a department-by-department basis.
Feature programming is provided in call costing and
SMDA Reporting class of service programming.
Stations are assigned to specific SMDA departments
through station class of service programming. The
LCD speakerphone display of costed calls is also
The call park feature is similar to a manual hold
condition. A call that is parked from a particular
station can be retrieved at any station in the system by
dialing the appropriate access code. (Note: the
retrieving station cannot have access denied to the
line on which the call appears.) Calls are parked and
retrieved within the system through the use of dialing
codes. The system provides nine parking circuits
(orbits). Call park, when used with the paging
features, allows a system attendant to direct calls to
roving personnel. A call that is left in a parking orbit
for preprogrammed length of time automatically
returns to a timed hold recall condition at the station
which originally parked the call.
enabled through station class of service programming.
CALL FORWARDING ON ALL CALLS
This feature allows a station user to designate another
station or the attendant station as the recipient of all
A station user can dial a code, followed by the
extension number of a ringing station, to answer the
ringing call.
calls normally directed to ring at the user’s station. If
enabled when night transfer of ringing is activated, the
night ringing assignment of the station is also
forwarded. Calls that are forwarded to a recipient
station can be forwarded again from that station to
another station. Thus, two levels of call forwarding on
all calls can occur, first, from station A to station B
and then, from station B to station C. For each
intercom call that is received while calls are forwarded,
a short tone burst will occur at the user’s station as a
reminder that call fotwarding is enabled. When a
programmable button is programmed to serve as a
call forward button, the associated LED will turn on
If a call rings to any station in a pre-programmed
group and another user in the group wishes to answer
the call, that user must dial the group pickup code to
answer the call. Four different groups can exist with
any number of stations in a group. Overlap is provided
by allowing stations to be in more than one group thus
enabling those stations to pick up for stations in more
than one group. Stations within the system are placed
in logical answering groups by programming action.
Group stations together using the station class of
service programming.
when the button is pressed to indicate that the feature
is enabled. If the call forward button is programmed as
a second level to a DSS/BLF button, the LED
indication is afways reserved for BLF indication. On
LCD speakerphones that are recipients of call
forwarding, the display will indicate the extension
Screened call transfer allows outside calls to be
transferred from one station to another, via the
intercom link, in one of two ways. If both stations have
access to the line, a common line pickup transfer can
CALL FORWARDING - PERSONAL
CALL PARK
CALL PICKUP - DIRECTED
.
CALL PICKUP - GROUP
CALL TRANSFER -SCREENED
2-4
IMI 66-083
Description Of System
Feat1 P
be effected. If the other station does not have access
to the incoming line, transfer can still take place using
the system transfer feature. For a screened transfer,
a call is transferred to another station with a
pre-transfer announcement by the transferring patty.
Transferring calls is accomplished with the
TRANSCONF
button. Also refer to the discussion
titled: Call Transfer- Unscreened.
code provided for this purpose. The station user can
program individual stations for speed dial, autodial and
direct station selection (DSS) by entering COS with a
code provided for that purpose. Thus, COS
programming is arranged with a hierarchical order
from the highest (the installer) to the lowest (the
station user) level wfth a higher level programmer
having the ability to do anything a lower level
programmer can do without exiting a current
CALL TRANSFER - UNSCREENED,
An active call can be transferred to another station
without being announced. The transferred call will
camp-on to the other station where it will ring and
await an answer. The call will automatically ring back
to the transferring station after a programmable recall
period. There is no limit as to how many calls can be
camped onto another station. A transferred call will
only ring if the station is idle. The system class of
service programming determines the recall time for an
unanswered transferred call.
programming mode. However, only the station user
can program the speed dial and autodial locations at
telephone.
All class of service (COS) programming is performed
from station 10 or 12. Any station and console
combination will function in this mode and provide
visual feedback with the LED associated with the
programming button. By employing an LCD
speakerphone, however, the programmer will have the
benefit of display prompts and verifications to simplify
and clarify the programming procedures. Class of
service programming access is as follows:
CALL WAITING TONE
The call waiting tone may be signalled to a busy
station to indicate that another station or the attendant
wants to contact the busy station. A special code is
dialed to activate the tone.
l
l
l
l
Installer dials: ITCM % # 7 4 6
Administrator dials: ITCM
+++
# 2 3 6
Attendant dials: ITCM % # 0
User dials: ITCM +#
+
+K
+I+
CALLING STATION
IDENTIFICATION ON BLF
Class of service programming can be performed using
instructions provided in Chapter 4, Sections
If the station number of a calling station has been
programmed into the direct station select/busy lamp
field (DSS/BLF) of a called station, the caller will be
identified by flashing at the corresponding BLF light.
The lights also indicate the status of the DSS
telephones: dark = idle, steady-on = in use, flash =
calling (or ringing when station monitoring is enabled),
and flutter = call back request (if feature is available.
An asynchronous, serial data terminal with an RS-232
interface can be used to effect class of service
programming through menu-driven procedures. VDT
programming provides a menu-driven approach to
programming as discussed in Chapter 4, Section 5.
No class of service programming is required for this
feature. Also refer to the discussions titled:
Programmable DSS/BL F and Call Messaging.
Connection terminals are provided to interface an
CLASS OF SERVICE PROGRAMMING
(FROM MAIN STATION)
Class of service (COS) programming is used by the
installer to configure and assign all system, line,
station, and special purpose operating features. The
installer enters COS programming by dialing an
access code over the intercom line. System
RS-232 compatible, asynchronous serial data printer
to the system. The connected printer will provide a
printout of class of service and toll restriction records.
The data prlnter service class of service programming
determines the nature and extent of each requested
printout. The system class of service programming
specifies the bit-length and baud rate of the data.
administrators can enter COS programming with
another code to reprogram any system, station, or
special purpose operating feature that may require
change at a later date. Line reprogramming abifiiy is
not available through system administration
programming. The system attendant can reprogram
certain system-wide features that require periodic
Connections are available at the wmmon equipment
that provides “dry-contact” relay closures whenever an
incoming line rings. These contact closures track the
ringing pattern and can be used to control an external
change by entering COS programming with another
2,3
and 4.
CLASS OF SERVICE PROGRAMMING
(VIDEO DISPLAY TERMINAL)
CLASS OF SERVICE
PROGRAM PRINTOUT
COMMON AUDIBLE
RINGER INTERFACE
2-5
8.
__, ,,.rtion
Of System Features
lMl66-083
CONFERENCING - ADD-ON
With this feature, a station, operating in a private mode,
can add up to four other stations to an outside call.
CONFERENCING - MULTILINE
This feature will allow one station to access up
outside lines at the same time resulting in a conference
arrangement. Conferencing is established through the
use of the
TRANSKONF
button.
to
four
,
CONFERENCING - UNSUPERVISED
After a conference between an internal party and a
maximum of two external parties has been
established, this feature allows the internal party to
drop out of the conference by dialing a special code.
The conference between the two outside parties
continues in an unsupervised condition. Also refer to
the discussion titled:
Conferencing - Multiline.
Pinging assignments are programmable. A station can
be programmed to provide delayed ringing on some
lines while providing immediate ringing on other lines.
Delayed ringing is assigned to certain lines at each
station through station class of service programming.
The attendant station can request a Departmental
Calling Distribution (DCD) report. The DCD report will
provide a compilation of department call activity. The
statistics that are reported are based on the
department assignments that are active at the time of
the report and are extracted from the SMDR records
collected by the system. For a report to be generated,
a department must exist. All calls that are included in
the DCD report, must meet the following conditions
before they are reported as department calls:
DATA SECURITY
This data security feature will prevent any type of tone
(DTMF, camp-on, barge-in, etc.) from interrupting a
call that is active on a port programmed with the
feature. This prevents interference to non-voice
communications from occurring when the port is being
used as a data port (when operating a modem through
an OPX port for, example).
programming to enable a data security port.
Use station class of service
DELAYED RINGING
DEPARTMENTAL CALLING
DISTRIBUTION REPORT
They must be incoming calls. Outgoing calls are
not reported in the DCD report.
The port number of the line which received the
call must be one that is assigned to a department.
The port number of the station which answered
the call must be assigned to a department.
DEFAULT FUNCTIONAL PROGRAM
At initial power-up of the system, the operating features
are set to a specific group of operating conditions
(defautt conditions). The defautt conditions provide a
complete operating system for normal use. tt can be
left as a defautted system or reprogrammed as
desired. Defauft conditions can be reset if desired. A
system can be defaufted by system, line, and station
class of service programming. A master clear will
defauft the entire system and erase all stored
programmable button information.
l
DEFAULT TOLL RESTRICTION
Two toll restriction tables are defaulted with
pre-programmed values and are pre-assigned to all
lines. The tables need only be assigned to the
by programming action to put them into effect. The
defaulted tables can be reprogrammed with different
information using the normal programming procedure.
Assign toll tables to stations using station class Of
service programming. Reprogram toll tables using toll
restriction table configuration class of service
programming.
stations
A DCD report consists of the following columns
of information:
Station Number:
number of the station being reported.
Idle Tlme:
on-hook and available to answer a call.
Dept.
incoming calls that rang into the department and
calls that were transferred to the department.
Hold
calls spent in an on-hold state at a particular
station.
The amount of time that the station is
Calls: The amount of time spent on
Time:
Avg. Dept. Calls:
(including on-hold time) that a station spent on a
call.
WrapUpTIme:
wrap-up mode doing such things as follow-up
paperwork. While a station is in a wrap-up mode,
it does not receive department calls. The station
user sets a wrap-up mode by pressing SHIFT
DND and repeats the procedure to clear the
wrap-up mode.
Missed Calls:
not answered at a station and that are cycled by
the system to another station for answering
The station name or extension
’
The amount of time that department
The average time per call
The time that a station spent in a
The total number of calls that are
2-6
lMl66-083 Description Of System
Other
Calls:
This is a summation of the time
spent on outgoing call activity, incoming call
activity on non-department lines, plus all intercom
call activity.
On-Duty Time: The on-duty time includes a
summation of idle time, department call time,
wrap-up time, and other call time.
Off-Duty Time: The time that a station spent in a
do not disturb mode. While in a do-notdisturb
condition, a station is not available tc receive
calls. The station user sets a do-not-disturb
mode by pressing DND and repeats the
procedure to clear the do not disturb mode.
UnansweredCalls:
went unanswered at a department.
Calls Answered After
number of calls that waited at least 36 seconds
(approximately six rings from the CO) before
being answered.
Calls Handled By Overflow Station:
number of calls that were answered and
transferred by the overflow station and then
answered and serviced by another station.
Calls Terminated At Overflow Station:
number of calls that were received by the
overflow station and were either answered but
not transferred or were dropped by the caller
before being answered.
Also refer to the discussion titled: Direct Department
Calling with Departments Call Distribution (DCD).
Total number of calls that
36
Seconds:
Total
Total
Total
DESIGNAT;;tIK?d&AMMABLE
Station programmable buttons can be assigned to
provide one-button access to a broad range of
features. There are designated buttons that must be
assigned at each station using station class of service
programming but the auto rediai button and response
message button are designated programmable
buttons that can assigned by the station user.
DIAL 0 FOR SYSTEM Al-l-ENDANT
The system attendant station (station 10) is signalled
whenever the digit 0 is dialed on the intercom line.
DIRECT DEPARTMENT CALLING
WITH DEPARTMENTAL CALL
DISTRIBUTION (DCD)
Direct department calling has been enhanced wtth
departmental call distribution (DCD) and provides a
means by which outside lines can be assigned to one
of four different departments. Calls received on
department lines and calls that are transferred to a
department from within the system search for an idle
station in that department. Department calls are
distributed evenly throughout the department stations
for answering with individual stations having the ability
to be taken out of service as necessary. Calls received
on department lines and calls that are transferred to a
department from within the system are placed in a
queue for servicing. New calls, transferred calls, and
held calls are all assigned a time stamp by the system
so that they will be serviced in the order of their arrival.
Up to four departments can be formed with up to 16
stations (plus one overflow station) allowed in each
one. A station can be assigned to more than one
department, if desired. Since a station can be
assigned to more than one department, the attendant
station can be added to serve as the overflow station
for all departments if desired. Separate pilot numbers
(extension numbers) can be assigned to each
department to be used for making intercom calls or
doing call transfers to the department.
The direct department calling feature requires that lines
and stations be assigned to a department. It does not
require that department lines be assigned to to appear
at buttons on department stations. If direct line
appearance of a particular department line to a
particular department station is required, it can be
assigned. If this assignment is made, ensure that
neither direct nor delayed ringing is enabled for that
line at that station.
An incoming call searches for the first station available
to answer a call. lf all stations in a department are
busy or are ring no-answer (RNA), the call will go to
the overflow station in that department (if one has been
programmed). lf there is no overflow station
programmed, the call continues to try the department
stations until tt is answered or dropped by the caller.
The caller continues to receive ringback tone until the,
call is answered. The overflow station can service the
call or transfer it back to the department using the
department pilot number. When the call is transferred
back to the department by an overflow station, it will
not return to the overflow station until that station is
idle and has no ringing calls either new or transferred.
instead, the call will
walt for a station to become idle. The caller will receive
music while on hold if the system is so equipped. To
provide reassurance to the caller during ringing it is
recommended that a music source be connected to
the system. The call will remain in a held state until it is
answered
timeout period has ended. When the recall timeout
period has ended, the call will return to the transferring
station.
Intercom calls that are made to the department will test
the department stations for busy or a RNA If all
stations are busy, a busy tone is returned to the caller.
Intercom calls will not camp-on at the department but
will go to the overflow station.
or until the department transfer recall
campon
at the department and
Feat.
,&Ion Of System Features
lMl66-083
Further, the system camp-on feature cannot be used
to camp-on to a department.
Subsequent calls to a department on a particular line
always try the next station in the department from
whichever station serviced the last call on that line.
This means that if department stations 15 and 16 are
programmed to answer line 1, and station 15 services
a call, the next line 1 call will ring at station 16. When
both stations 15 and 16 are programmed to answer
lines 1, 2 and 3, call delivery is on a per line basis: If
station 15 handles and completes calls on line 2 and 3
while station 16 is still on line 1, the next calls on line 2
or 3 goes to station 15 even if station 16 has become
idle.
Since the RNA time of a station is a programmable
feature, department stations can be set to have a short
RNA time to allow a call to search rapidly through a
department for an answer.
When an outside or transferred call is ringing at a
department station, the station user can press the
pre-programmed Do Not Disturb (DND) button to
place the station in an off-duty condition. While
off-duty, all outside and transferred calls skip to the
next department station. This
remains set until the DND button is pressed again to
place the station back in service. When the overflow
station is set to DND, all incoming and transferred calls
will return to the department queue.
A department station can also be taken out of service
and placed in a wrap-up mode to provide the user time
for doing such things as follow-up paperwork. While a
station is in a wrap-up mode, all outside and
transferred calls skip to the next department station.
The station user sets the wrapup mode by pressing
SHIFT DND and presses these buttons again to clear
the wrap-up mode.
It should be noted that the departments formed for use
with this direct department calling feature are different
from those departments used in SMDA reporting.
Assign department transfer recall time (unanswered
call transfer recall time feature) using the system class
of service programming. Assign lines for direct
department calling using the line class of service
programming. Assign department stations, access
codes to departments (flexible numbering feature), and
busy/RNA timeout (call forward - busy feature) using
the station class of service programming. Also refer to
the discussion titled: Departmental Calling Distribution
Report.
offduty
condition
The DISD feature allows an external party to call an
intercom station directly without assistance by the
attendant. The DISD call must be received on a line
which has been specially programmed to allow this
feature. Any line can be programmed to be a DISD
line for both the normal mode of operation and the
night transfer (of ringing) mode of operation.
The number of rings which occurs on a DISD line
before tt is answered is programmable. By setting a
large number of rings, time is allowed for a call to be
serviced in a regular manner by stations that have a
line appearance for the DISD line. Setting the number
of rings to 0 disables the line for DISD use. If a line is
to be dedicated for DISD use, tt is a good practice to
set ft for one ring. The amount of time allowed for an
extension number to be dialed is programmable and a
DISD assist station can be programmed to answer
calls that are not completed during this dial time limit.
When a DISD line is called, it rings for a programmed
number of rings. If the call is not answered in a normal
manner by a station with the line appearance during
this time, the system answers it and presents a DISD
dial tone to the caller. The s;:stem then waits for an
extension number to be dialed from the calling
telephone. Only one DISD line is serviced at a time;
therefore, an incoming call could ring for more than the
programmed number of rings if a DISD call is being
serviced when a second DISD call is received.
When a valid extension number is dialed, a
confirmation tone is sounded, the system attempts a
transfer, and the called station rings if it is idle. If a
called station does not answer within the transfer recall
timeout period, the call is returned to DISD dial tone. If
the called station has the call
forwarded station rings. lf a called station is busy, the
call is placed on hold and camped-on at the busy
station. ff the camp-cm is not answered within the
transfer recall timeout period, a busy tone is given
followed by DISD dial tone. The system will return the
caller to DISD dial tone two additional times and then
drop the line (a total of three attempts are made).
NOTE:lf
the DISD call is muted to an idle station in the hunt
group.lf no idle stations are found, the call is
catqoed-on at the dialed station.
not followed in the case of a ring-no-answer (RNA).
If an invalid extension number is dialed, an error tone is
sounded before the DISD dial tone is returned.
mistake in dialing is made, the caller can dial a S for a
new DISD dial tone. The system will return the caller to
DISD dial tone two additional times and then drop the
line. If extension number dialing is not completed
within the programmed dial time limit, the call is routed
DIRECT INWARD STATION DIALING
(DISD)
fonnrard
the busy called station is part of a hunt group,
feature set, the
The
hunt group is
If a
lM166-083
Description Of System Feats
to the DISD assist station if one is programmed;
otherwise, the line is dropped. If the assist station is
busy (call will camp-on at the assist station) or lf the
assist station does not answer before the transfer recall
timeout period, the system will return the caller to DISD
dial tone. If extension number dialing is not completed
within the dial time limit this time, the line is dropped.
It is recommended that a music source be connected
to the system to provide a reassurance to the caller
during a camp-on situation when the DISD feature is
being used.
DIRECT STATION CALL
HOLD (STATION PARK)
This feature allows a station user to park a call at a
specific station where lt will be held without ringing. A
feature code plus a station extension number can be
dialed over the intercom line to park the call or a
programmable button can be programmed to provide
a “directed hold” to a specific station. The parked call
is picked up by directed station by dialing a feature
code. It can be picked up at any station through the
use of the call pickup feature. No class of service is
required. Also refer to the discussions titled: Call
Pickup - Directed and Call Park.
The system can be programmed to inhibit any station
from entering the DND mode. System class of service
programming is used to program this feature.
Stations can be provided with DND override capability
which will allow them to call a station that is set in the
DND mode. The Executive/Attendant Override feature
must also be active for DND override feature to
function. Station class of service programming is used
to assign this feature. Also refer to the discussions
titled: Do Not Disturb and Executive/Attendant
Override.
This feature provides for two separate intercom lines at
the same station. One intercom line is fixed and is
accessed with the ITCM button. The other intercom
line is programmable and is accessed by a
programmable button selected for that purpose by
class of service programming. Calls are handled on
the intercom lines in much the same manner as
outside calls are handled using the line buttons.
Special considerations are as follows:
DIRECT STATION SELECTION (DSS)
PROGRAMMABLE
Refer to the discussion titled: ProgrammableDSSlBLF.
DISTINCTIVE RINGING
The ringing cadence of an incoming call is the same as
the ringing cadence of
system. The ringing cadence of an intercom call
presents two tone bursts sounded every four seconds.
Any station can be set to a do-not-disturb mode (DND)
using the designated DND programmable button and
associated indicator (indicator will light when DND is
active). While in the DND mode, the station will not ring
on any incoming call nor will it accept an intercom call.
A party making an intercom call to a station set in the
do-notdisturb mode hears a fast busy tone. The
feature cannot be overridden by the calling party
unless the override feature is enabled. The DND
feature is used with the departmental calling feature to
provide a station wrap-up mode and a station off-duty
mode.
Override, Executive/AttendantOvertide, and
Departmental Calling Distribution Report.
Refer to the discussions tftled: Do Not Disturb
theTELC0,
DO NOT
PBX, or CENTREX
DISTURB
The station class of service button mapping procedure
assigns a programmable button to serve as the second
intercom button.
Through class of service programming, certain idle line
buttons can be arranged to serve as dynamic line
buttons. This feature allows the system to temporarily
assign a line to a station that normally does not have
the line assigned to
dynamic line button. While the call is appearing on the
dynamic line button (LED on), any normal call handling
DO NOT DISTURB INHIBIT
DO NOT DISTURB OVERRIDE
DUAL INTERCOM
Distant party hang-up causes intercom link to drop.
Intercom call to station already busy on intercom
rings in subdued fashion and flashes indicator
associated with other intercom button.
With both intercom lines busy, a third intercom call
resufts in a secure off-hook voice announce (if
enabled) at busy station.
Pressing a DSS button while on an active intercom
call will drop the distant party unless the automatic.
hold feature is enabled for the intercom line
through class of service programming. The hold
button can be used, however, to place an intercom
call on hold before selecting the other intercom
line for use.
Any action taken on the intercom by a station
being observed via the service observing feature
will cause the observing station to return to an idle
state.
DYNAMIC LINE
it,
and have that line appear on a
BUlTONS
..tron Of System Features
lMl66-083
operations can be performed. Station class of service
programming allows certain buttons to be
programmed as dynamic line buttons
END-TO-END
SIGNALLING
ON INTERCOM
After an intercom call has been established, the system
can continue to send dialing signals (DTMF tones)
through the intercom path. This feature can be
performed from every station in the system, and is
used by peripherals such as voice mail equipment.
can continue to send dialing signals (DTMF tones)
through the telco network and have them received at
the distant end for inward call completion (bank by
phone, etc.). This conventional, off-hook dialing
feature can be performed from every station in the
system.
s
EXCLUSIVE HOLD
Exclusive hold prohibits a held call from being
retrieved by any other station. The exclusive hold
condition also links the held call to the timed hold
recall timeout feature. After timeout, audible and visual
signalling will occur and the exclusive hold condition
will revert to a normal line hold condition.
EXCLUSIVE HOLD SYSTEM-WIDE
ENABLE/DISABLE
This feature allow systems that do not require
exclusive hold capability to have it turned off
system-wide through programming. System class of
service programming is used to enable or disable
exclusive hold.
EXECUTIVE/ATTENDANT OVERRIDE
This feature allows the user of a station, upon
encountering a busy signal at another station, to dial a
code that will override the busy signal of a call, sound
a warning tone, and allow access to the existing
conversation. This feature is enabled through station
class of service programming.
line class of service programming arranges a line port
for external paging interface.
A large array of individual features can be disabled
system-wide to provide a basic telephone system. A
basic telephone system is useful for installation
environments where a large proportion of the stations
are accessible to unauthorized users thus subject to
tampering or for environments where station users
must be limited as to the variety of features allowed to
them. Features are disabled by system class of
service. Once disabled, they can enabled by turning
on all features at once using the system default
programming.After an outside call has been established, the system
Ringing assignments are programmable on a per
station/per line basis. Pinging can be controlled for
every line that has an appearance at each station.
Delayed ringing is assigned to certain lines at each
station through station class of service programming.
Refer to the paragraph titled: Delayed Ringing.
The PA port can be programmed for flexible ringing
assignments and zone pages. Any desired lines can
be programmed for direct ring, delay ring, or night
transfer (of ringing) at this port. Paging can be to
programmed zone or to
connected to the PA port to sound the ringing that is
generated by the system and sent to this port and
paging announcements when they are sent to the
programmed zone. Using such an arrangement, it is
possible for a user to determine that certain lines are
ringing, such as in a night transfer (of ringing) mode,
and go to the nearest telephone and answer the call.
The most common use for this arrangement is as a
night bell eliminating the need for external equipment
as required with the common ringer and auxiliary
ringer interface. The speaker cannot be used for voice
response as the path is one-way only. Use system
class of service programming to assign ringing and
paging to a PA port.
FEATURE INHIBIT
FLEXIBLE RINGING ASSIGNMENTS
FLEXIBLE RINGING
ASSIGNMENTS OF PA PORT
allcall.
A speaker can be
’
EXTERNAL PAGING INTERFACE
A dedicated paging port or a spare line port can be
interfaced
paging amplifier can then be dial-accessed by stations
in the system.
line port to provide zone selection if provided by the
external paging amplifier. The dedicated paging port
does not support any “talk-back’ capability even if such
a feature is provided by the external equipment. The
with
an external paging amplifier. The
DTMF tones can be dialed through the
The extension number of a station and all other
programmable attributes that are initially assigned to a
particular station port and the line, along with all
programmable line attributes that are initially
connected to a particular line port can be re-assigned
to a different port through programming action. This
feature allows adds, moves, and changes without
2-10
FLEXIBLE STATION AND LINE
CLASS OF SERVICE CONTROL
lMl66-083
Description Of System
Featf
re-locating the station and line wiring. Line and station
class of service programming are used to reassign
stations and lines. Also refer to the discussion titled,
Auxiliary Ringer Interface.
FLEXIBLE STATION NUMBERING PLAN
The system supports a flexible station numbering plan
for individual stations. Each station can be
programmed to respond to the dialing of any available
number between 10 and 7999. This feature may be
used to match the calling number of a station located
in a pre-numbered area to that area number. A
combination of two, three, or four digit extension
numbers can be assigned as long as they do not
conflict. For example: If 21 is assigned as an
extension number, there can not be any other
extension number assigned that begins with a 21. The
system class of service programming is used to assign
extension numbers to individual station ports.
FULL
BUlTON
PROGRAMMABILITY OF FEATURES
Most digital communication system features can be
made available at programmable buttons by
programming the specific access codes necessary for
dialing the features. Programmable features include
those that can utilize lamp (on/off) supervision (e.g.,
call park orbits). All feature access codes can be
stored, except for those requiring
button action. Continuous strings of digits can be
stored, including ITCM button presses, up to the
maximum amount of storable digits allowed in an
autodial entry (16).
TRANSKONF
HANDSFREE ANSWER INHIBIT
The MUTE button on a station can be used to block all
handsfree answerback response. This arrangement
will prevent a station user from monitoring another
station site using the monitoring ability of the voice
announce feature. When the button is pressed, all
handsfree answerback is disabled thus inhibiting any
off-site monitoring. The
indicate that this feature is active. Also refer to the
discussion titled: Mute.
MNlR
(SPKR) light will flash to
When a station is programmed for idle line preference,
it will automatically be connected to the first assigned
idle line. The system can be programmed on a per
station basis to enable idle line preference. When idle
line preference is enabled, taking the handset off-hook
will automatically connect the station to any assigned
line that is idle and has been arranged for this feature.
The line button will not have to be pressed. If this
feature is used in conjunction wfth prime line
automatic, the user will be given prime line first when
going off-hook. An idle line will be given if the prime
line is in use. The station class of service
programming enables this feature on a per station/per
line basis.
INTERCOM CALL PROGRESS TONES
Intercom call progress is marked by special tones. A
steady tone is provided for dial tone. Ring-back tone is
one second on and three seconds off. For tone
signalled intercom calls, a two-tone burst is sounded
every four seconds at a called station and returned to
the caller as ring-back. For a voice signalled intercom
call, a single tone burst is sounded at a called station.
When a called station is busy, a busy signal of one-half
second on and one-half second off is received at the
calling station. A fast busy tone will be supplied when
the called station is in the do not disturb mode. OPX
ports are only supplied with the regular busy tone
since fast busy tones could interfere with the operation
of some accessories that can be connected to this port.
Station ports can be assigned to intercom hunt
groups. When a station that is assigned to a hunt
group is busy or is a ring-no-answer (RNA), a call to it
will ring at the next idle station in the group. A hunt
group can be terminal or circular. A call will route down
a terminal group from the called station until it finds an
idle station or reaches the end of the group. A call will
search around a circular group until it encounters an
idle station or until all stations in the circular group are
searched. The ringing time at any one station is
programmable. Hunt groups are created through
station class of service programming.
I HOLD AND I USE INDICATIONS
The light associated wtth a line button provides a visual
indication of the status of that line. When a station user
has a line in-use or on-hold at a station, the light
indication provided at that station is of a diierent flash
rate than the indication provided at the other stations
in the system. No class of senrice programming is
required.
Should the intercom line be selected with no dialing or
other action taking place, the intercom will timeout
after ten seconds, and return to an idle state.
Each station is provided with a last number redial
feature. This feature will save 32 digtts of the last
outside number dialed. A newly dialed number will
IDLE LINE PREFERENCE
INTERCOM HUNT GROUP
’
INTERCOM LINE TIMEOUT
LAST NUMBER REDIAL
2-11
-. #,.&on
Of System Features
lMl66-083
always automatically replace a previously dialed
number. Upon command, the system will choose a
Line and redial the saved number. The system will first
choose the prime line if assigned and idle. If it is busy
or unavailable, the system will choose any line
assigned to idle line preference. If they are
unavailable, the system will chose the last line used at
the station. If it is busy, no further choice is made. No
class of service is required. Also refer to the
discussion titled: Automatic Pause Insertion.
LCD MESSAGING
Standard and system-supplied custom display
messages can be set by dialing a specific code at any
station. Such messages are to be received and
displayed by any LCD speakerphone that calls the
station which set the message. When a message is
set, the intercom light at the setting station will flash to
indicate that the feature is active.
LCD SUPPORT
The system supports the use of digital telephones
having a Liquid Crystal Display (LCD). The display is
capable of providing the station user with a visual
presentation of: call cost, call duration, number dialed,
name of called station, name of active feature, date
and time, and programming prompts.
LINE ACCESS RESTRICTION
Refer to the discussion titled: Access Denied.
LINE ANSWER FROM ANY
STATION (NIGHT MODE)
When the attendant programs the system for nighttime
operation using the night transfer of ringing feature, the
line answer from any station feature is made active.
With this feature, a user can dial an access code over
the intercom line to allow him to answer any ringing
outside line. The line need not be ringing at the user’s
station for this feature to be used.
A line can be manually selected before lifting the
handset (for handsfree dialing) or after the handset is
lifted.
With the line queuing feature, the station user can take
action that will place a station in a queue where it
awaits the availability of a line or line group. The
station is automatically signalled with five tone bursts
when the line is available to it for use.
queue one line at a time.
A button activated feature at each station will place an
outside line on hold. Pressing the HOLD button holds
the call, provides a distinctive flash rate of the line
button indicator, and allows the user to access other
station features. The holding station or any other
station that has access to the line can retrieve the held
call.
Any station user can dial a special code number in
response to an all-call or zone page and be connected
to the paging party in a private conversation.
zone paging is provided to the stations through the
station class of service programming.
The system memory is electronically protected during
AC power failures by an electronic device sometimes
known as a “super cap.” The stored program data will
remain in memory for a minimum of 65 hours provided
that the system has been powered continuously for at
least 30 minutes prior to the power failure or
disconnection. Also, the system clock will continue to
run and keep time for at least 30 minutes after an AC
power failure or disconnection.
LINE PRESELECTION
LINE AND LINE GROUP QUEUING
Each station can
MANUAL HOLD
MEET-ME ANSWER PAGE
Allcall
MEMORY RETENTION WITHOUT
BAITERIES
or
LINE GROUPS
Outside lines can be grouped together in up to four
different groups. Each group is accessible through a
unique dialing code or automatically selected with the
programmable autodial feature. Grouping can reserve
certain lines for certain clusters of stations as in a
tenant-setice
groups frees station buttons normally used for line
selection thus making these buttons available for use
with a feature such as personal DSS/BLF with
station-to-station messaging. Lines are placed in line
groups
arrangement. The assignment of line
with
the line class of service programming.
Special feature access codes enable a station user to
control the message waiting (MW) light at other
stations in the system. When the message waiting
light is turned on at a station, a call can be
automatically placed to the station that turned it on.
Alternately, one station can be designated by COS
programming as the central message desk and can be
arranged for exclusive message waiting control. The
central message desk can be used to control message
waiting lights and deliver messages to and from all
other stations in the system. The
originate a message waiting signal is enabled by
programming action. Station class of service
2-12
MESSAGE
WAlTlNG
abilly
of a station to
lMl66-083
Description Of System Feat,.
‘.
programming provides a station with the ability to
originate a message waiting signal and is used to
create a central message desk.
MODULAR WIRING AND JACKSR- OR
4-CONDUCTOR
The system can be completely interconnected by
employing industry standard 50-pin connectors and
modular plug/jack combinations. Station wiring is
small, 2conductor, twisted-pair cable throughout the
system. A
employed if a spare pair is required for a separate
wiring purpose.
4conductor
WIRE SYSTEM
twisted-pair cable can be
MUSIC INTERFACEJEXTERNAL SOURCE
REQ
A jack is provided on the common equipment for the
connection of a customer-provided music source.
Also refer to the discussions titled: Background Music
and Music-On-Hold.
IRED)
MUSIC-ON-HOLD
Music is provided to outside lines that are placed on
hold if an external music source is connected to the
system. Refer to the discussion titled: Music
Interface.
Every station provides manual and/or automatic dialing
while the station handset is on-hook. An internal
speaker monitors call progress for completion. (The
handset must be taken off-hook to provide the voice
link on non-speakerphone stations.)
The ability to originate calls on certain lines can be
denied at individual stations through system
programming. The originating denied feature is
programmed on a per station/per line basis.
Originating denied does not prevent a user from
answering a ringing line, retrieving a held call or
receiving a transferred call. Call origination on a line is
denied at a particular station by the station class of
service programming.
System features and programmable buttons support
the requirements of most PBXs, Central Offices, and
CENTREX systems. Numbers, # ‘s, s’s,
programmable pauses, and flash signals can be made
a part of every stored number for access to host
system feature codes.
ON-HOOK DIALING
ORIGINATING DENIED
PBWCENTREWCO COMPATIBLE
MUSIC-ON-HOLD SYSTEM-WIDE
ENABLE/DISABLE
Music is provided to outside lines that are placed on
hold if an external music source is connected to the
system. Musicon-hold can be disabled system-wide
by attendant action.
Music Interface and Music-On-Hold.
Also see discussions titled:
MUTE
Each station has a MUTE button which, when pressed,
will mute the handset transmitter (or internal
microphone on speakerphones) to prevent the user’s
voice from being heard by the distant party. The
MNTR (SPKR) light flutters to indicate a muted
condition. The button provides push-on/push-off
operation on speakerphones. No class of service is
required. Also refer to the discussion titled: Handsfree
Answer Inhibit.
NIGHT TRANSFER (OF RINGING)
Night transfer (of ringing) is an attendant-controlled
feature that transfers the day ringing program of all
incoming calls to a particular station or stations for
off-hour or special purpose answering. The nfght
transfer mode can only be activated from station 10 or
12. The individual lines at each station that are to be
transferred with this feature are selected by station
class of service programming.
This feature allows a station user to choose one of four
diierent ring tones to aid in distinguishing one ringing
station from another.
Users can dial a special access code instead of
pushing a line button to access one of up to four
different groups of lines. Lines are arranged into
groups with the line class of service programming.
A power failure line connection is available for
connecting industry-standard telephones such as a
Comdial model 2500. The power-fail telephone is
automatically connected directly to a certain line
whenever there is an AC power failure. Normal
origination and reception of calls on a power-fail
station is possible during the power failure condition.
The power-fail stations will automatically disconnect as
soon as power is restored.
If a station is programmed for prime line automatic, the
designated outside line, intercom line or line group will
be automatically selected when the handset is taken
PERSONALIZED RINGING TONE
POOLED LINE ACCESS
(GROUP LINE ACCESS)
POWER FAILURE TRANSFER
PRIME LINE AUTOMATIC
’
.,,tron Of System Features
lMl66-083
off hook. Prime line pickup may be pre-empted by
preselecting another line before lifting the handset. lf
the prime line is ringing, lt is automatically answered by
lifting the handset. Prime line automatic is assigned
a station through station class of service programming.
t0
PRIVACY - DESIGNATED
PROGRAMMABLE
Stations can be programmed to provide a privacy
button. If a line is private, a user can press the privacy
button to change it into a non-private one. If the line is
non-private, pressing the button will have no effect.
Station class of service programming is used to
program the programmable button function at the
stations.
BUlTON
PRIVACY RELEASE/
BROKERAGE SERVICE
See the discussion titled: Privacy - Designated
Programmable button
PRIVATE LINES (ACCESS DENIED)
See the discussion titled: Access Denied.
PROGRAMMABLE DSS/BLF
(DIRECT STATION SELECTION/BUSY
LIGHT FIELD)
A station user can store one-button, direct station
selection (DSS) at any memory button location to
create a DSS memory button. When this button is
pressed, any active outside call is automatically placed
on hold and an intercom call is automatically made to
that previously stored station number. The visual
indicators of the stations programmed at the button
locations form a busy lamp field (BLF). The BLF
conveys station status to the user. An autodial number
can also be programmed as a secondary function at
every DSS/BLF memory location. No class of senrice
is required. Also refer to the discussion titled: Tone Or
Voice SignaIling (intercom).
PROGRAMMABLE
Refer to the discussions titled: FullButton
Programmability OfFeatures, Programmable DSs/BLF,
and Dedicated Programmable buttons.
BUlTONS
PULSE/TONE SWITCHABLE
The system can be programmed on a per line basis
allow the stations to switch from pulse to DTMF type
dialing as needed. Aftemately, the system can be
programmed to only allow tone dialing. The line class
of service programming sets the dialing mode required
for a particular line.
to
This feature allows a user to reply in a non-verbal
manner to a voice announce or tone-signalled
intercom call or to a secure off -hook voice announce
call if the intercom caller is using an LCD
speakerphone. A station user can press a
programmable button in response to an intercom call
and
calling station. Response messages are
pre-programmed by the attendant and later stored by
station users at programmable buttons on their
individual stations as need dictates.
Both remote class of service programming and the
transmission of SMDR data for printing are available
through serial data ports. The system supports X-on
X-off terminal control codes as well as a DTR signal for
handshaking. The system data communications
operates per the popular XMODEM protocol. The
database can be uploaded or downloaded, error free,
from or to a remote computer that is running software
that supports the XMODEM protocol. The two serial
data ports allow VDT programming (either local or
remote) to be conducted through one port at the same
time that the other port is being used to send SMDR
data for printing. VDT programming of the system is
menu driven.
The system can be programmed on a per station basis
to provide ringing line preference on all lines
programmed for ringing at the station.
When ringing line preference is enabled at a station,
taking the handset off-hook automatically connects the
station to any outside line that is ringing at it. A line
button will not have to be pressed. lf a station also has
prime line assigned, the prime line will
answered first even though it may be the second line
to ring. The ability of a particular station to answer a
ringing line without line selection is enabled by the
station class of service programming.
This feature enables a button action to save the first 16
digits of the last number manually dialed from the
buttonpad. The saved number can be redialed at a
later time. The saved number is permanently available
for later use until it is replaced with a new number.
SECURE OFF-HOOK VOICE ANNOUNCE
With the secure off-hook voice announce (SOHVA)
feature, a secure announcement can be made from
one station to another station that is off-hook and busy
RESPONSE MESSAGING
send a message to be shown on the display of the
REMOTE PROGRAMMING
AND ADMINISTRATION
RINGING LINE PREFERENCE
ahays
be
SAVED NUMBER REDIAL
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