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Lucent Technologies DEFINITY Enterprise Communication Server Release 8.2 Administrators Guide

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    							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 D-channel on each facility), and the other facilities that share the D-channels are 
    configured without D-channels.
    NPA
    Numbering-plan area
    NPE
    Network processing element
    NQC
    Number of queued calls
    NSE
    Night-service extension
    NSU
    Network sharing unit
    null modem cable
    Special wiring of an RS-232-C cable such that a computer can talk to another computer (or to a printer) with-
    out a modem.
    NXX
    Public-network office code
    O
    OA
    Operator assisted
    occurrence
    See appearance
    .
    OCM
    Outbound Call Management
    offered load
    The traffic that would be generated by all the requests for service occurring within a monitored interval, usu-
    ally one hour.
    ONS
    On-premises station
    OPS
    Off-premises station
    OPX
    Off-premises extension
    OQT
    Oldest queued time 
    						
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    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 routes an incoming call on a trunk administered for Supplementary Services Protocol B to a trunk 
    not administered for Supplementary Services Protocol B.
    P
    PACCON
    Packet control
    packet
    A group of bits (including a message element, which is the data, and a control information element (IE), 
    which is the header) used in packet switching and transmitted as a discrete unit. In each packet, the message 
    element and control IE are arranged in a specified format. See also packet bus
     and packet switching.
    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. On completion of 
    the transmission, the channel is made available for the transfer of other packets. See also BX.25
    and packet.
    PA D
    Packet assembly/disassembly
    paging trunk
    A telecommunications channel used to access an amplifier for loudspeaker paging. 
    						
    							DEFINITY ECS Release 8.2
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    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
    PCOLG
    Personal central-office line group
    PCS
    Permanent switched calls
    PDM
    See processor data module (PDM).
    PDS
    Premises Distribution System
    PE
    Processing element
    PEC
    Price element code
    PEI
    Processor element interchange
    personal computer (PC)
    A personally controllable microcomputer.
    PGATE
    Packet gateway
    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 
    						
    							DEFINITY ECS Release 8.2
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    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 packs, power units, and 
    service circuits. Also called a port cabinet in a single-carrier cabinet.
    port network (PN)
    A cabinet containing a TDM bus and packet bus to which the following components are connected: port cir-
    cuit packs, one or two tone-clock circuit packs, a maintenance circuit pack, service circuit packs, and (option-
    ally) up to four expansion interface (EI) circuit packs in DEFINITY ECS. Each PN is controlled either locally 
    or remotely by a switch processing element (SPE). See also expansion port network (EPN)
     and processor port 
    network (PPN).
    port-network connectivity
    The interconnection of port networks (PNs), regardless of whether the configuration uses direct or switched 
    connectivity.
    PPM
    1. Parts per million
    2. Periodic pulse metering
    PPN
    See processor port network (PPN).
    PRI
    See Primary Rate Interface (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 sys-
    tems. PRI runs at 1.544 Mbps and, as used in North America, provides 23 64-kbps B-channels (voice or data) 
    and one 64-kbps D-channel (signaling). The D-channel is the 24th channel of the interface and contains mul-
    tiplexed signaling information for the other 23 channels. 
    						
    							DEFINITY ECS Release 8.2
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    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 terminals.
    principal (user)
    A person to whom a telephone is assigned and who has message-center coverage.
    private network
    A network used exclusively for the telecommunications needs of a particular customer.
    private network office code (RNX)
    The first three digits of a 7-digit private network number.
    processor carrier
    See control carrier
    .
    processor data module (PDM)
    A device that provides an RS-232C DCE interface for connecting to data terminals, applications processors 
    (APs), and host computers, and provides a DCP interface for connection to a communications system. See 
    also modular processor data module (MPDM)
    .
    processor port network (PPN)
    A port network controlled by a switch-processing element that is directly connected to that PN’s TDM bus 
    and LAN bus. See also port network (PN)
    .
    processor port network (PPN) control carrier
    A carrier containing the maintenance circuit pack, tone/clock circuit pack, and SPE circuit packs for a proces-
    sor port network (PPN) and, optionally, port circuit packs.
    PROCR
    Processor
    Property Management System (PMS)
    A stand-alone computer used by lodging and health-services organizations for services such as reservations, 
    housekeeping, and billing.
    protocol
    A set of conventions or rules governing the format and timing of message exchanges to control data move-
    ment and correction of errors.
    PSC
    Premises service consultant
    PSDN
    Packet-switch public data network
    PT
    Personal terminal
    PTC
    Positive temperature coefficient
    PTT
    Postal Telephone and Telegraph 
    						
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    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 six contiguous DS0s in fixed locations on an ISDN-PRI facility. Note that this term comes from 
    T1 terminology (one-fourth of a T1), but there are five quadrants on an E1 ISDN-PRI facility (30B + D).
    queue
    An ordered sequence of calls waiting to be processed.
    queuing
    The process of holding calls in order of their arrival to await connection to an attendant, to an answering 
    group, or to an idle trunk. Calls are automatically connected in first-in, first-out sequence.
    R
    RAM
    See random-access memory (RAM).
    random-access memory (RAM)
    A storage arrangement whereby information can be retrieved at a speed independent of the location of the 
    stored information.
    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 dial-
    ing.
    redirection criteria
    Information administered for each voice terminal’s coverage path that determines when an incoming call is 
    redirected to coverage. 
    						
    							DEFINITY ECS Release 8.2
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    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 the receiving switch ends the call, it sends a “backward” release signal.
    remote home numbering-plan area code (RHNPA)
    A foreign numbering-plan area code that is treated as a home area code by the Automatic Route Selection 
    (ARS) feature. Calls can be allowed or denied based on the area code and the dialed CO code rather than just 
    the area code. If the call is allowed, the ARS pattern used for the call is determined by these six digits.
    Remote Operations Service Element (ROSE)
    A CCITT and ISO standard that defines a notation and services that support interactions between the various 
    entities that make up a distributed application.
    REN
    Ringer equivalency number
    reorder tone
    A tone to signal that at least one of the facilities, such as a trunk or a digit transmitter, needed for the call was 
    not available.
    report scheduler
    Software that is used in conjunction with the system printer to schedule the days of the week and time of day 
    that the desired reports are to be printed.
    RFP
    Request for proposal
    RHNPA
    See remote home numbering-plan area code (RHNPA).
    RINL
    Remote indirect neighbor link
    RISC
    Reduced-instruction-set computer
    RLT
    Release-link trunk
    RMATS
    Remote Maintenance, Administration, and Traffic System
    RNX
    Route-number index (private network office code)
    ROM
    See read-only memory (ROM).
    ROSE
    See Remote Operations Service Element (ROSE)
    .
    RPN
    Routing-plan number 
    						
    							DEFINITY ECS Release 8.2
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    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
    The second logical signaling channel of DCP. The channel is used to provide signaling information for DCP’s 
    I2 channel.
    SABM
    Set Asynchronous Balance Mode
    SAC
    Send All Calls
    SAKI
    See sanity and control interface (SAKI).
    sanity and control interface (SAKI)
    A custom VLSI microchip located on each port circuit pack. The SAKI provides address recognition, buffer-
    ing, and synchronization between the angel and the five control time slots that make up the control channel. 
    The SAKI also scans and collects status information for the angel on its port circuit pack and, when polled, 
    transmits this information to the archangel.
    SAT
    System access terminal
    SBA
    Simulated bridged appearance
    SCC
    1. See single-carrier cabinet.
    2. Serial communications controller
    SCD
    Switch-control driver
    SCI
    Switch communications interface
    SCO
    System control office
    SCOTCH
    Switch Conferencing for TDM Bus in Concentration Highway 
    						
    							DEFINITY ECS Release 8.2
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    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 terminal user (usually the principal) to bridge onto a 
    call that had been answered by another party on his or her behalf.
    single-carrier cabinet
    A combined cabinet and carrier unit that contains one carrier. See also Multicarrier cabinet
    .
    single-line voice terminal
    A voice terminal served by a single-line tip and ring circuit (models 500, 2500, 7101A, 7103A).
    SIT
    Special-information tones
    SLS
    Service Level Supervisor
    small computer system interface (SCSI)
    An ANSI bus standard that provides a high-level command interface between host computers and peripheral 
    devices.
    SMDR
    Station Message Detail Recording
    SN
    Switch Node
    SNA
    Systems Network Architecture
    SNC
    Switch Node Clock
    SNI
    Switch Node Interface 
    						
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    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 start button.
    split number
    The split’s identity to the switch and BCMS.
    split report
    A report that provides historical traffic information for internally measured splits.
    split (agent) status report
    A report that provides real-time status and measurement data for internally measured agents and the split to 
    which they are assigned.
    SSI
    Standard serial interface
    SSM
    Single-site management
    SSV
    Station service
    ST3
    Stratum 3 clock board
    staffed
    Indicates that an agent position is logged in. A staffed agent functions in one of four work modes: Auto-In, 
    Manual-In, ACW, or AUX-Work.
    STARLAN
    Star-Based Local Area Network
    Station Message Detail Recording (SMDR)
    An obsolete term now called CDR — a switch feature that uses software and hardware to record call data. See 
    Call Detail Recording (CDR)
    .
    standard serial interface (SSI)
    A communications protocol developed for use with 500-type business communications terminals (BCTs) and 
    400-series printers.
    status lamp
    A green light that shows the status of a call appearance or a feature button by the state of the light (lit, flash-
    ing, fluttering, broken flutter, or unlit). 
    						
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