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-35  
N
N+1
Method of determining redundant backup requirements. Example: if four rectifier modules are 
required for a DC-powered single-carrier cabinet, a fifth rectifier module is installed for backup.
N x DS0
N x DS0, equivalently referred to as N x 64 kbps, is an emerging standard for wideband calls 
separate from H0, H11, and H12 ISDN channels. The emerging N x DS0 ISDN...

DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-36  
NFAS
See 
Nonfac ility-assoc iated  sig naling  (NFAS).
NI
Network interface
NID
Network Inward Dialing
NM
Network management
NN
National number
node
A switching or control point for a network. Nodes are either tandem (they receive signals and pass 
them on) or terminal (they originate or terminate a transmission path).
Nonfacility-associated signaling (NFAS)
A method that...

DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-37  
OCM
Outbound Call Management
offered load
The traffic that would be generated by all the requests for service occurring within a monitored 
interval, usually one hour.
ONS
On-premises station
OPS
Off-premises station
OPX
Off-premises extension
OQT
Oldest queued time
OSHA
Occupational Safety and Health Act
OSI
Open Systems Interconnect
OSS
Operations Support System
OSSI...

DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-38  
packet bus
A wide-bandwidth bus that transmits packets.
packet switching
A data-transmission technique whereby user information is segmented and routed in discrete data 
envelopes called packets, each with its own appended control information, for routing, sequencing, 
and error checking. Packet switching allows a channel to be occupied only during the transmission 
of a packet....

DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-39  
PGN
Partitioned group number
PI
Processor interface
PIB
Processor interface board
pickup group
A group of individuals authorized to answer any call directed to an extension within the group.
PIDB
Product image database
PKTINT
Packet interface
PL
Private line
PLS
Premises Lightwave System
PMS
Property Management System
PN
Port network
PNA
Private network access
POE
Processor...

DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-40  
PPM
1. Parts per million
2. Periodic pulse metering
PPN
See 
p roc essor p ort network (PPN).
PRI
See 
Primary Rate Interfac e (PRI).
primary extension
The main extension associated with the physical voice or data terminal.
Primary Rate Interface (PRI)
A standard ISDN frame format that specifies the protocol used between two or more 
communications systems. PRI runs at 1.544...

DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-41  
protocol
A set of conventions or rules governing the format and timing of message exchanges to control data 
movement and correction of errors.
PSC
Premises service consultant
PSDN
Packet-switch public data network
PT
Personal terminal
PT C
Positive temperature coefficient
PT T
Postal Telephone and Telegraph
public network
The network that can be openly accessed by all customers...

DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-42  
RBS
Robbed-bit signaling
RC
Radio controller
RCL
Restricted call list
read-only memory (ROM)
A storage arrangement primarily for information-retrieval applications.
recall dial tone
Tones signalling that the system has completed a function (such as holding a call) and is ready to 
accept dialing.
redirection criteria
Information administered for each voice terminal’s coverage...

DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-43  
RMATS
Remote Maintenance, Administration, and Traffic System
RNX
Route-number index (private network office code)
ROM
See 
read -only memory (ROM).
RPN
Routing-plan number
RS-232C
A physical interface specified by the Electronic Industries Association (EIA). RS-232C transmits and 
receives asynchronous data at speeds of up to 19.2 kbps over cable distances of up to 50 feet....

DEFINITY ECS Release 8.2
Upgrades and Additions for R8.2si  555-233-122  Issue 1
April 2000
Glossary and Abbreviations 
GL-44  
SCD
Switch-control driver
SCI
Switch communications interface
SCO
System control office
SCOTCH
Switch Conferencing for TDM Bus in Concentration Highway
SCSI
See 
small c omp uter system interfac e (SCSI).
SDDN
Software-Defined Data Network
SDI
Switched Digital International
SDLC
Synchronous data-link control
SDN
Software-defined network 
SFRL
Single-frequency return loss
SID...