Lucent Technologies DEFINITY Enterprise Communications Server Release 8 Guide To ACD Call Centers

DEFINITY ECS Release 8
Guide to ACD Call Centers  555-233-503  Issue 2
December 1999
Glossary and Abbreviations 
GL-23  
fiber optics
A technology using materials that transmit ultrawideband electromagnetic light-frequency ranges for 
high-capacity carrier systems.
fixed
A trunk allocation term. In the fixed allocation scheme, the time slots necessary to support a wideband call are 
contiguous, and the first time slot is constrained to certain starting points.
flexible
A trunk allocation term. In the...

DEFINITY ECS Release 8
Guide to ACD Call Centers  555-233-503  Issue 2
December 1999
Glossary and Abbreviations 
GL-24  
GPTR
General-purpose tone receiver
grade of service
The number of call attempts that fail to receive service immediately. Grade of service is also expressed as the 
quantity of all calls that are blocked or delayed.
ground-start trunk
A trunk on which, for outgoing calls, the system transmits a request for services to a distant switching system 
by grounding the trunk ring lead. To...

DEFINITY ECS Release 8
Guide to ACD Call Centers  555-233-503  Issue 2
December 1999
Glossary and Abbreviations 
GL-25  
Hz
See hertz (Hz)
.
I
I1
The first information channel of DCP.
I2
The second information channel of DCP.
I2 Interface
A proprietary interface used for the DEFINITY Wireless Business System for the radio-controller circuit 
packs. Each interface provides communication between the radio-controller circuit pack and up to two 
wireless fixed bases. 
I3 Interface
A proprietary interface...

DEFINITY ECS Release 8
Guide to ACD Call Centers  555-233-503  Issue 2
December 1999
Glossary and Abbreviations 
GL-26  
IMT
Intermachine trunk
in
Inch
INADS
Initialization and Administration System
incoming gateway
A PBX that routes an incoming call on a trunk not administered for Supplementary Services Protocol B to a 
trunk not administered for Supplementary Services Protocol B.
information exchange
The exchange of data between users of two different systems, such as the switch and a host computer,...

DEFINITY ECS Release 8
Guide to ACD Call Centers  555-233-503  Issue 2
December 1999
Glossary and Abbreviations 
GL-27  
internal call
A connection between two users within a system.
International Telecommunications Union (ITU)
Formerly known as International Telegraph and Telephone Consultative Committee (CCITT), ITU is an 
international organization that sets universal standards for data communications, including ISDN. ITU 
members are from telecommunications companies and organizations around the...

DEFINITY ECS Release 8
Guide to ACD Call Centers  555-233-503  Issue 2
December 1999
Glossary and Abbreviations 
GL-28  
ISV
Independent software vendor
ITP
Installation test procedure
ITU
International Telecommunications Union
IXC
Interexchange carrier code
K
kHz
Kilohertz
kbps
Kilobits per second
kbyte
Kilobyte
kg
Kilogram
L
LAN
Local area network
LAP-D
Link Access Procedure on the D-channel
LAPD
Link Access Procedure data
LATA
Local access and transport area
lb
Pound
LBO
Line buildout
LDN
Listed...

DEFINITY ECS Release 8
Guide to ACD Call Centers  555-233-503  Issue 2
December 1999
Glossary and Abbreviations 
GL-29  
LED
See light-emitting diode (LED)
.
light-emitting diode (LED)
A semiconductor device that produces light when voltage is applied. LEDs provide a visual indication of the 
operational status of hardware components, the results of maintenance tests, the alarm status of circuit packs, 
and the activation of telephone features.
lightwave transceiver
Hardware that provides an interface to...

DEFINITY ECS Release 8
Guide to ACD Call Centers  555-233-503  Issue 2
December 1999
Glossary and Abbreviations 
GL-30  
M
MAC
Medium access
MADU
Modular asynchronous data unit
main distribution frame (MDF)
A device that mounts to the wall inside the system equipment room. The MDF provides a connection point 
from outside telephone lines to the PBX switch and to the inside telephone stations.
main-satellite-tributary
A private network configuration that can either stand alone or access an ETN. A main...

DEFINITY ECS Release 8
Guide to ACD Call Centers  555-233-503  Issue 2
December 1999
Glossary and Abbreviations 
GL-31  
MCS
Message Center Service
MCT
Malicious Call Trace
MCU
Multipoint control unit
MDF
Main distribution frame
MDM
Modular data module
MDR
Message detail record
MEM
Memory
memory
A device into which information can be copied and held, and from which information can later be obtained.
memory shadowing link
An operating-system condition that provides a method for memory-resident programs to...

DEFINITY ECS Release 8
Guide to ACD Call Centers  555-233-503  Issue 2
December 1999
Glossary and Abbreviations 
GL-32  
MIS
Management information system
MISCID
Miscellaneous identification
MMCS
Multimedia Call Server
MMCH
Multimedia call handling
MMI
Multimedia interface
MMS
Material Management Services
MO
Maintenance object
modem
A device that converts digital data signals to analog signals for transmission over telephone circuits. The 
analog signals are converted back to the original digital data...