Lucent Technologies DEFINITY Enterprise Communication Server Release 8.2 Upgrades And Additions Manual

							DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-25  
H12
An ISDN information transfer rate for 1920-kbps data defined by CCITT and ANSI standards.
handshaking logic
A format used to initiate a data connection between two data module devices.
hertz (Hz)
A unit of frequency equal to one cycle per second.
high-reliability system
A system having the following: two control carriers, duplicate expansion interface (EI) circuit packs 
in the PPN (in R5r with CSS), and duplicate switch node clock circuit packs in the switch node (SN) 
carriers. See also 
d up lic ated  c ommon c ontrol, duplication, d up lic ation op tion, and 
c ritic al-reliab ility system.
HNPA
See 
home numb ering -p lan area c od e (HNPA).
holding time
The total length of time in minutes and seconds that a facility is used during a call.
home numbering-plan area code (HNPA)
The local area code. The area code does not have to be dialed to call numbers within the local 
geographical area.
hop
Nondirect communication between two switch communications interfaces (SCI) where the SCI 
message passes automatically without intermediate processing through one or more intermediate 
SCIs.
host computer
A computer, connected to a network, that processes data from data-entry devices.
hunt group
A group of extensions that are assigned the Station Hunting feature so that a call to a busy 
extension reroutes to an idle extension in the group. See also 
ACD work mod e.
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 used for the DEFINITY Wireless Business System for the cell antenna units. 
Each wireless fixed base can communicate to up to four cell antenna units. 
						

							DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-26  
IAS
Inter-PBX Attendant Service
ICC
Intercabinet cable or intercarrier cable
ICD
Inbound Call Director
ICDOS
International Customer-Dialed Operator Service
ICHT
Incoming call-handling table
ICI
Incoming call identifier
ICM
Inbound Call Management
IDDD
International Direct Distance Dialing
IDF
Intermediate distribution frame
IE
Information element
immediate-start tie trunk
A trunk on which, after making a connection with a distant switching system for an outgoing call, the 
system waits a nominal 65 ms before sending the digits of the called number. This allows time for 
the distant system to prepare to receive digits. On an incoming call, the system has less than 65 ms 
to prepare to receive the digits.
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, over a LAN.
Information Systems Network (ISN)
A WAN and LAN with an open architecture combining host computers, minicomputers, word 
processors, storage devices, PCs, high-speed printers, and nonintelligent terminals into a single 
packet-switching system.
INS
ISDN Network Service 
						

							DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-27  
inside call
A call placed from one telephone to another within the local communications system. 
Integrated Services Digital Network (ISDN)
A public or private network that provides end-to-end digital communications for all services to which 
users have access by a limited set of standard multipurpose user-network interfaces defined by the 
CCITT. Through internationally accepted standard interfaces, ISDN provides digital circuit-switched 
or packet-switched communications within the network and links to other ISDNs to provide national 
and international digital communications. See also 
Integ rated  Servic es Dig ital Network Basic  
Rate Interfac e (ISDN-BRI) and Integ rated  Servic es Dig ital Network Primary Rate Interfac e 
(ISDN-PRI).
Integrated Services Digital Network Basic Rate Interface (ISDN-BRI)
The interface between a communications system and terminal that includes two 64-kbps 
B-channels for transmitting voice or data and one 16-kbps D-channel for transmitting associated 
B-channel call control and out-of-band signaling information. ISDN-BRI also includes 48 kbps for 
transmitting framing and D-channel contention information, for a total interface speed of 192 kbps. 
ISDN-BRI serves ISDN terminals and digital terminals fitted with ISDN terminal adapters. See also 
Integ rated  Servic es Dig ital Network (ISDN) andInteg rated  Servic es Dig ital Network 
Primary Rate Interfac e (ISDN-PRI).
Integrated Services Digital Network Primary Rate Interface (ISDN-PRI)
The interface between multiple communications systems that in North America includes 24 64-kbps 
channels, corresponding to the North American digital signal level-1 (DS1) standard rate of 1.544 
Mbps. The most common arrangement of channels in ISDN-PRI is 23 64-kbps B-channels for 
transmitting voice and data and 1 64-kbps D-channel for transmitting associated B-channel call 
control and out-of-band signaling information. With nonfacility-associated signaling (NFAS), 
ISDN-PRI can include 24 B-channels and no D-channel. See also
Integ rated  Servic es Dig ital 
Network (ISDN) andInteg rated  Servic es Dig ital Network Basic  Rate Interfac e (ISDN-BRI).
intercept tone
A tone that indicates a dialing error or denial of the service requested.
interface
A common boundary between two systems or pieces of equipment.
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 world. 
See also
BX.25.
International Telegraph and Telephone Consultative Committee
See 
International Telec ommunic ations Union (ITU).
interflow
The ability for calls to forward to other splits on the same PBX or a different PBX using the Call 
Forward All Calls feature.
intraflow
The ability for calls to redirect to other splits on the same PBX on a conditional or unconditional 
basis using call coverage busy, don’t answer, or all criteria. 
						

							DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-28  
internal measurements
BCMS measurements that are made by the system. ACD measurements that are made external to 
the system (via External CMS) are referred to as external measurements.
in-use lamp
A red light on a multiappearance voice terminal that lights to show which call appearance will be 
selected when the handset is lifted or which call appearance is active when a user is off-hook.
INWATS
Inward Wide Area Telephone Service
IO
Information outlet
ISDN
See 
Integ rated  Servic es Dig ital Network (ISDN).
ISDN Gateway (IG)
A feature allowing integration of the switch and a host-based telemarketing application via a link to a 
gateway adjunct. The gateway adjunct is a 3B-based product that notifies the host-based 
telemarketing application of call events.
ISDN trunk
A trunk administered for use with ISDN-PRI. Also called ISDN facility.
ISDN-PRI terminal adapter
An interface between endpoint applications and an ISDN PRI facility. ISDN-PRI terminal adapters 
are currently available from other vendors and are primarily designed for video conferencing 
applications. Accordingly, currently available terminal adapters adapt the two pairs of video codec 
data (V.35) and dialing (RS-366) ports to an ISDN PRI facility.
IS/DTT
Integrated Services/digital tie trunk
ISN
Information Systems Network
ISO
International Standards Organization
ISV
Independent software vendor
ITP
Installation test procedure
ITU
International Telecommunications Union
IXC
Interexchange carrier code 
						

							DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-29  
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
Po un d
LBO
Line buildout
LDN
Listed directory number
LDS
Long-distance service
LEC
Local exchange carrier
LED
See 
lig ht-emitting  d iod e (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 fiber-optic cable from port circuit packs and DS1 converter 
circuit packs. Lightwave transceivers convert electrical signals to light signals and vice versa. 
						

							DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-30  
line
A transmission path between a communications system or CO switching system and a voice 
terminal or other terminal.
line appearance
See 
appearance.
line buildout
A selectable output attenuation is generally required of DTE equipment because T1 circuits require 
the last span to lose 15–22.5 dB.
line port
Hardware that provides the access point to a communications system for each circuit associated 
with a telephone or data terminal.
link
A transmitter-receiver channel that connects two systems.
link-access procedure on the D-channel (LAPD)
A link-layer protocol on the ISDN-BRI and ISDN-PRI data-link layer (level 2). LAPD provides data 
transfer between two devices, and error and flow control on multiple logical links. LAPD is used for 
signaling and low-speed packet data (X.25 and mode 3) on the signaling (D-) channel and for 
mode-3 data communications on a bearer (B-) channel.
LINL
Local indirect neighbor link
local area network (LAN)
A networking arrangement designed for a limited geographical area. Generally, a LAN is limited in 
range to a maximum of 6.2 miles and provides high-speed carrier service with low error rates. 
Common configurations include daisy chain, star (including circuit-switched), ring, and bus.
logical link
The communications path between a processor and a BRI terminal.
loop-start trunk
A trunk on which, after establishing a connection with a distant switching system for an outgoing 
call, the system waits for a signal on the loop formed by the trunk leads before sending the digits of 
the called number.
LSU
Local storage unit
LW C
Leave Word Calling
M
MAC
Medium access
MADU
Modular asynchronous data unit 
						

							DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-31  
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 switch 
provides interconnection, via tie trunks, with one or more subtending switches, called satellites; all 
attendant positions for the main/satellite configuration; and access to and from the public network. 
To a user outside the complex, a main/satellite configuration appears as one switch, with one listed 
directory number (LDN). A tributary switch is connected to the main switch via tie trunks, but has its 
own attendant positions and LDN.
maintenance
Activities involved in keeping a telecommunications system in proper working condition: the 
detection and isolation of software and hardware faults, and automatic and manual recovery from 
these faults.
management terminal
The terminal that is used by the system administrator to administer the switch. The terminal may 
also be used to access the BCMS feature.
major alarm
An indication of a failure that has caused critical degradation of service and requires immediate 
attention. Major alarms are automatically displayed on LEDs on the attendant console and 
maintenance or alarming circuit pack, logged to the alarm log, and reported to a remote 
maintenance facility, if applicable.
Manual-In work mode
One of four agent work modes: the mode in which an agent is ready to process another call 
manually. 
See Auto-In Work mod e for a contrast.
MAP
Maintenance action process
MAPD
Multiapplication platform for DEFINITY
MA-UUI
Message-Associated User-to-User Signaling
Mbps
Megabits per second
M-Bus
Memory bus
Mbyte
Megabyte
MCC
Multicarrier cabinet
MCS
Message Center Service
MCT
Malicious Call Trace 
						

							DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-32  
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 be more 
quickly accessed, allowing a system to reboot faster.
message center
An answering service that supplies agents to and stores messages for later retrieval.
message center agent
A member of a message-center hunt group who takes and retrieves messages for voice-terminal 
users.
MET
Multibutton electronic telephone
MF
Multifrequency
MFB
Multifunction board
MFC
Multifrequency code
MHz
Megahertz
MIM
Management information message
minor alarm
An indication of a failure that could affect customer service. Minor alarms are automatically 
displayed on LEDs on the attendant console and maintenance or alarming circuit pack, sent to the 
alarm log, and reported to a remote maintenance facility, if applicable.
MIPS
Million instructions per second
MIS
Management information system
MISCID
Miscellaneous identification 
						

							DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-33  
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 signals by another modem at the 
other end of the circuit.
modem pooling
A capability that provides shared conversion resources (modems and data modules) for 
cost-effective access to analog facilities by data terminals. When needed, modem pooling inserts a 
conversion resource into the path of a data call. Modem pooling serves both outgoing and incoming 
calls.
modular processor data module (MPDM)
A processor data module (PDM) that can be configured to provide several kinds of interfaces 
(RS-232C, RS-449, and V.35) to customer-provided data terminal equipment (DTE). See also 
processor data module (PDM).
modular trunk data module (MTDM)
A trunk data module that can be configured to provide several kinds of interfaces (RS-232, RS-449, 
and V.35) to customer-provided data terminal equipment.
modulator-demodulator
See 
modem.
monitored call
See 
ac tive-notific ation c all.
MOS
Message-oriented signaling
MPDM
Modular processor data module
MS
Message server
ms
Millisecond
MS/T
Main satellite/tributary
MSA
Message servicing adjunct 
						

							DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-34  
MSG
Message service
MSL
Material stocking location
MSM
Modular System Management
MSS
Mass storage system
MSSNET
Mass storage/network control
MT
Management terminal
MTDM
Modular trunk data module
MTP
Maintenance tape processor
MTT
Multitasking terminal
multiappearance voice terminal
A terminal equipped with several call-appearance buttons for the same extension, allowing the user 
to handle more than one call on that same extension at the same time.
Multicarrier cabinet
A structure that holds one to five carriers. See also 
sing le-c arrier c ab inet.
Multifrequency Compelled (MFC) Release 2 (R2) signaling
A signal consisting of two frequency components, such that when a signal is transmitted from a 
switch, another signal acknowledging the transmitted signal is received by the switch. R2 
designates signaling used in the United States and in countries outside the United States.
multiplexer
A device used to combine a number of individual channels into a single common bit stream for 
transmission.
multiplexing
A process whereby a transmission facility is divided into two or more channels, either by splitting the 
frequency band into a number of narrower bands or by dividing the transmission channel into 
successive time slots. See also 
time-d ivision multip lexing  (TDM).
multirate
The new N x DS0 service (see N x DS0).
MWL
Message-waiting lamp