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Lucent Technologies DEFINITY Enterprise Communication Server Release 8.2 Administrators Guide
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
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 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 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 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 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 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 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 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
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 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 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 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 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 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 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 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
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 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).