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Applied Computer Telephony : Hewelett Packard's computer API.
Alliance of Computer-based Telephony Applications Suppliers : A USA CTI industry forum.
Association of Computer Telephony Integration Users and Suppliers. An European CTI industry forum.
Audio Message Interchange Specification- Analogue: This is a industry standard protocol for the transmission of voice message between message system. The AMIS protocol uses DTMF signaling.
A standard switched voice telephone line.
Automatic Number Identification.
American National Standards Institute.
Application Programmer Interface.
A software programme that causes a computer or telephone system to perform functions that are of benefit to actual users of the system.
Application Service Provider.
The name of the computer expansion slot technology used in most existing IBM PC compatiable computers. Also called EIA or ISA Bus.
The collective term used to describe power, predictive and preview dialling.
Alternate Voice and Data: a method of switching between voice and data during the same call.
Bearer channel: ISDN standard transmission channel used for voice or data transmission.
Bell Communications Research.
Busy Lamp Field : A device with LCD panel of indicators that show the extensions status.
Basic Rate Interface : An ISDN interface which uses two B channels and a D channle ( 2B+D ).
A defined interface between different parts of a computer.
Calling number information that is transmitted with a telephone call.
Call Applications Manager: The CTI environment developed by Tandem.
International Radio Consultative Committee.
International Telegraph and Telephone Consultative Committee.
The facility that contains the telephone switch that serves public, private, and businees customers.
Channel Service Unit ( CSU )
Device on the Digital Trunk Interface that is the termination point of the T1 lines from the T1 provider. The CSU collects statistics on the quality of the T1 signal.
Computer Intergrated Telephony: The CTI environment supported by Digital.
Acronym for Custom Local Area Signalling Service, a group of analogue telephone-based features and telephones that use signalling information routed through the Common Channel Signalling No. 7 (CCS7) telephone network to the telephone to enable new kind of features.
Calling Line IDentification: a service which allows the called party to view the telephone number of the calling party before the call is answered.
A stand-alone workstation computer thst accesses shared network resources provided by another computer ( called a server ).
A mode of distributed network computing in which an application is computing excuted cooperatively by two computers. The client component of the application excutes on one node, while the server component runs on a second node.
Customer Relationship Management.
Callpath Services Architecture: The CTI environment supported by IBM.
Computer Supported Telephony: another term for CTI derived from the ECMA standard.
Computer Supported Telephony Architecture: A term used by ECMA to describe its CTI standardistation activities.
Computer Telephony Integration is the application of computer intelligence via external computers to telecomms devices. It include voices processing, LAN intergration, Speech recognition and image/video data integration.
Central Processing Unit. All computer and electronic telephone systems are controlled by a CPU.
A fully digital device that terminates a digital Switch-56 or ISDN line. Also reffered as a " digital modem " or DSU.
Data channel : An ISDN standard transmission channel which is packet-switched, and is used for call setup, signalling and data transmission.
Direct Inward Dial trunk : Trunks that allow direct inward dialing from the public network to the PBX.
Dialled Number Identification Service: A telephone network feature that enables identification of the called number.
Dynamic Link Library: a feature of OS?@ and Windows that allows excutable code modules to be loaded on demand and link at run time.
Directory Number. A telephone nember. On a PBX, this is a extension number.
Disk Operating System. The software that runs on any computer that enables it to accept instructions from a user or a programme.
Digital Simultaneous Voice and Data: the simultaneous transmission of voice and data over a digitl telephone line.
Dual Tone MultiFrequency : Two distinct telephone signaling tones used for dialing.
Distance Vector Multicast Routing Protocol.
An E&M trunk gives you incoming and outgoing access to other systems in a private network.
European Computer Manufacturers Association: The organisation responsible for the CSTA standard.
The Enhanced Computer Telephony Forum is an industry body which has been established to allow companies developing or planning to use Computer Telephony Integration products to :
1. plan for consistent, compatible, open CTI interfaces
2. plan for interoperability
3. agree in area where standards are not fully defined
4. provide coordinated input to standards bodies on implementation details
Extended Industry Standard Architecture. The EISA is a formal specification for a bus design that can accommodate ISA cards, and yet accept other, EISA, option cards for which it provides twice as many pins and much enhanced services.
European Telecommunications Standards Institute.
Digital carrier system or line that carries data at 2.048Mbps.
Digital carrier system or line that carries data at 34.368Mbps.
A network node that usually consists of fixed-disk storage and a CPU, for storing programmes and data shared by users on a network.
Apple's 1994 interface to the Macintosh which provides isochronous data communication at up to 2 Mb/s for all datastreams.
General Packet Radio Service.
Graphical User Interface.
Interexchange Carrier. A generic name for the long distance carriers.
Internetwork Packet Exchange/Secure Packet Exchange - a secure method of sending the IP information across the network to insure receipt.
( Industry Standard Architecture ) Introduced by IBM with its PC/AT computers.
Intergrated Service Digital Network. A specific type of switch-based digital telecommunications service.
ISDN Basic Rate Access ( or ISDN Basic Rate Interface ).
ISDN Terminal Adapter
Also called an ISDN T/A. this is the device that terminates an ISDN BRA connection.
Independent Software Vendor.
Telecommunications Standardisation Sector of the International Telecommunications Union.
Same as IEC.
Joint Photographic Experts Groupt.
Local Area Network. A term describing the system ( LAN ) of cabling, software, and service that support the interconnection of computer equipment.
Local Exchange Carrier. Another name for the local telephone company.
Compression is used in a network to get more traffic across a single facility.
A term used for " telephone line " from a switch to a " terminal ".
Microsoft's Message API which is part of WOSA.
Micro Channel Architecture, a computer bus architecture introduced by IBM with its PS/2 computers.
The name of the computer expansion slot technology used in new IBM PS/2 computers.
Multipurpose Internet Mail Extensions.
Moving Picture Experts Groupt. Pertain to the ISO Standard for video storage.
Macintosh Telephony Architecture which includes Geoport and the Macintosh operating system for telephony applications.
Multi Vendor Intergration Protocol: A family of standards to let telephony products from different vendors inter-operate with a computer or group of computers.
A local area network operating system produced by Novell, Inc.
The name of the computer expansion slot technology used in Apple Macintosh computers.
Used in a network to add a loss or gain in the decibel level of a trunk.
Private Branch Exchange. A telephone switch that is owned or leased by an end-user organisation and is located entirely on that organisation's site.
Peripheral Component Interconnect. A local-bus technology that is a method of autoconfiguring PCI peripherals.
Protocol Implementation Conformance Standards: Part of ECMA CSTA standard.
Post Office Protocol 3.
An automated method of making many outbound calls without people and then passing answered calls to a person as the calls are answered. This is typically employed in telemarketing and call centers.
Preview dialling is a form of automated dialling where records from a list of contacts are presented sequentially to an agent who can choose whether or not to make the call.
A form of automated dialling where the system ( usually an ACD or stand alone power dialer ) automatically dials numbers from a list. If a call is answered it is passed to an agent. If it is not answered the call is dropped by the system.
A set of rules or procedures commonly agreed on by industry wide committee such as IEEE.
A telephone network consisting of owned or leased telephone lines used to connect different offices of an organization independently of the public network.
Public Switched Data Service, a generic name for telco based data services such as Switch-56.
Public Switched Telephone Network. The telecommunications equipment at Central Office, owned by the Telco.
Random Access Memory.
The process of using a remote computer linked to a local area network via modem.
Used in a network to boost the T - 1 signal to provide connectivity over greater distances.
Regional Holding Companies.
A network device that allows data to be exchanged between networks by using information contained at the network layer of the OSI model.
Switch Computer Application Interface: a protocol that defines how switches communicate with external computers.
Signal Computing System Architecture is a comprehensive architecture that descibes how both hardware and software building blocks work together. It focuses on ' signal computing ' devices which transmit information over the telephone network.
On a local area network, the computer that runs the administrative software to control access to the network.
Simple Message Transfer Protocol.
IBM's Systems Network Architeture.
Server Provider Interface: a Windows Telephony applications standard which lies between Windows telephony and the network.
The ISDN signalling ( or " D " Channel ) is typically used to convey messages, such as " connect," " disconnected, " and " Caller ID, " between the devices at the terminating ends of the switched connection.
Digital carrier system or line that carries data at 155.52Mbps.
A name used to refer to a telephone system, whether it is a PBX or is a system at the telephone company's Central Office or an IEC.
The generic name for a type of digital telecommunications service available from LECs, IECs, and within PBXs that transmits data at a rate of 57,384 bits per second.
Simultaneous Voice and Data: the simultaneous transmission of voice and data over the same telephone line.
Digital carrier system or line that carries data at 1.544Mbps.
Digital carrier system or line that carries data at 44.736Mbps.
Telephony Application Objects: part of the SCSA programming framework.
Microsoft's Windows Telephony Application Programmers interface.
Telecommunications Applications for Switches and Computers: The international CTI standard developed by ITU.
Transport Control Protocol/ Internet Protocol - A set of network protocos that has become an industry standard in local area network environment.
Telephone Company. Usually refer to the LEC.
Terminal Adapters ( TA )
Terminal Adapters convert non-ISDN sets or modems to ISDN-compatible sets or modems.
Terminal Equipment ( TE )
A generic term for devices that connect to an ISDN network.
The telephone line that extends from the telephone company's central office to a customer's PBX system, serving the entire system.
Unshielded twisted-pair cable. A popular twisted-pair cable that looks like telephone wire and doesn't have an insulating shield or sheath.
The Universal Serial Bus is a PC serial port interface jointly developed in 1994 by Intel, Compaq, DEC, IBM, Microsoft, NEC and Nortel . USB supports multiple devices on a standard connector, and provides bi-directional, isochronous communication.
Voice Profile for Internet Mail. VPIM uses existing data networks, not switch networks, to transport messages.
Virtual Router Redundancy Protocol.
Wireless Application Protocol.
Microsoft's Windows Open Service Architecture provides a single system level interface for connecting front-end applications with back-end services.
The IEEE standard for Ethernet over thin coaxial cable ( RG-58 ), sometimes called thinnet or cheapernet wire.
The IEEE standard for Ethernet over unshielded twisted-pair cable.