Lucent Technologies DEFINITY Enterprise Communication Server Release 8.2 Administrators Guide

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Glossary and abbreviations 
1647  
Nonfacility-associated signaling (NFAS)
A method that allows multiple T1 and/or E1 facilities to share a single D-channel to form an ISDN-PRI. If 
D-channel backup is not used, one facility is configured with a D-channel, and the other facilities that share 
the D-channel are configured without D-channels. If D-channel backup is used, two facilities are configured 
to have D-channels (one...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Glossary and abbreviations 
1648  
OSHA
Occupational Safety and Health Act
OSI
Open Systems Interconnect
OSS
Operations Support System
OSSI
Operational Support System Interface
OTDR
Optical time-domain reflectometer
othersplit
The work state that indicates that an agent is currently active on another split’s call, or in ACW for another 
split.
OTL
Originating Test Line
OTQ
Outgoing trunk queuing
outgoing gateway
A PBX that...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Glossary and abbreviations 
1649  
party/extension active on call
A party is on the call if he or she is actually connected to the call (in active talk or in held state). An originator 
of a call is always a party on the call. Alerting parties, busy parties, and tones are not parties on the call.
PBX
Private branch exchange
PC
See personal computer (PC).
PCM
See pulse-code modulation (PCM).
PCOL
Personal central-office line...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Glossary and abbreviations 
1650  
PL
Private line
PLS
Premises Lightwave System
PMS
Property Management System
PN
Port network
PNA
Private network access
POE
Processor occupancy evaluation
POP
Point of presence
port
A data- or voice-transmission access point on a device that is used for communicating with other devices.
port carrier
A carrier in a multicarrier cabinet or a single-carrier cabinet containing port circuit...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Glossary and abbreviations 
1651  
PRI endpoint (PE)
The wideband switching capability introduces PRI endpoints on switch line-side interfaces. A PRI endpoint 
consists of one or more contiguous B-channels on a line-side T1 or E1 ISDN PRI facility and has an exten-
sion. Endpoint applications have call-control capabilities over PRI endpoints.
principal
A terminal that has its primary extension bridged on one or more other...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Glossary and abbreviations 
1652  
public network
The network that can be openly accessed by all customers for local and long-distance calling.
pulse-code modulation (PCM)
An extension of pulse-amplitude modulation (PAM) in which carrier-signal pulses modulated by an analog 
signal, such as speech, are quantized and encoded to a digital, usually binary, format.
Q
QPPCN
Quality Protection Plan Change Notice
quadrant
A group of...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Glossary and abbreviations 
1653  
Redirection on No Answer
An optional feature that redirects an unanswered ringing ACD call after an administered number of rings. The 
call is then redirected back to the agent.
release
To release a call is to initiate its disconnection.
release signal
The signal one switch sends to another to disconnect a call. If the calling switch ends the call, it sends a “for-
ward” release signal. If...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Glossary and abbreviations 
1654  
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.
RS-449
Recommended Standard 449
RSC
Regional Support Center
S
S1
The first logical signalling channel of DCP. The channel is used to provide signaling information for DCP’s I1 
channel.
S2...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Glossary and abbreviations 
1655  
SCSI
See small computer system interface (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
Station-identification number
simplex system
A system that has no redundant hardware.
simulated bridged appearance
The same as a temporary bridged appearance; allows the...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Glossary and abbreviations 
1656  
SNMP 
Simple Network Management Protocol
software
A set of computer programs that perform one or more tasks.
SPE
Switch Processing Element
SPID
Service Profile Identifier
split 
See ACD work mode
.
split condition
A condition whereby a caller is temporarily separated from a connection with an attendant. A split condition 
automatically occurs when the attendant, active on a call, presses the...