Telecoms Acronyms Home
Telecoms Acronyms used on this web site ACR: Anonymous Call Rejection. A network based service that allows End Users to block calls from people who have withheld their numbers. ADSL: Asymmetric Digital Subscriber Line. A form of DSL, an 'always on' data communications technology that enables faster data transmission over copper telephone lines than a conventional dial up modem can provide. ADSL offers faster download speeds than upload speeds. AIN: Advanced Intelligent Network. A telephone network architecture which adds advanced computer intelligence to the telephone system e.g. voice recognition. ASP: Application Service Provider AXE10: TDM switching system made by Ericsson BSS: Business Support System BT 21CN: BT's 21st Century Network - 21CN is BT's global, software driven customer network that introduces a new, simpler portfolio of next generation services. CDM: The Construction (Design and Management) Regulations 2007 (commonly known as CDM 2007), also known as CDM Regulations or CDM 2007 These regulations were a result of an EU Directive 92/57/EEC (OJ L245, 26.8.92) which  come into force on the 6th of April 2007. The regulations place specific duties on clients, designers and contractors, to rethink their approach to health and safety, so that it is taken into account throughout the life of a construction project from its inception to its subsequent final demolition and removal. CPE: Customer Premise Equipment - any terminal and associated equipment located at a subscriber's premises and connected with a carrier's channel. CPS: Carrier PreSelect - the process where by a telephone subscriber whose telephone line is maintained by one company, can choose to have some of their calls automatically routed across a different telephone company's network without needing to enter a special code or special equipment. CRM: Customer Relationship Management - a term applied to processes implemented by a company to handle its contact with its customers. CRM software is used to support these processes, storing information on current and prospective customers. CSP: Communications Service Provider - the term encompasses public and private companies in the fixed line, wireless, internet, cable, satellite and managed services businesses. DACS: Digital Access Carrier System - a method used to carry two voice lines over a single copper pair. DDI: Direct Dial Identifier - a feature offered by telephone companies for use with their customers' PBX systems, whereby the telephone company allocates a range of numbers all connected to extensions on the customer PBX. DEDS: Data Exchange Distribution System - contains all the Call Data Records (CDRs) that have been collected and processed from 21CN and Legacy PSTN network for a particular CP. DPNSS: Digital Private Network Signalling System - a network protocol used on digital trunk lines for connecting two PABX.  DSL: Digital Subscriber Line DSLAM: Digital Subscriber Line Access Multiplexer FAS: Flexible Access System FTTC: Fibre to the Curb FTTH: Fibre to the Home FTTP: Fibre to the Pavement FTTX: Fibre to the "x" generic term Gigabit: One billion bits GPON: Gigabit Passive Optical Network GPRS: General Packet Radio Service - a packet oriented mobile data service and can be used for services such as Wireless Application Protocol (WAP) access, Short Message Service (SMS), Multimedia Messaging Service (MMS) and for Internet communication services such as email and World Wide Web access. GSM: Global System for Mobile Communications. Popular standard for mobile phones in the world. Its ubiquity makes international roaming very common between mobile phone operators, enabling users to use their phones in many parts of the world. IAP: Internet Access Provider - a company which primarily offers their customers access to the Internet using dial-up or broadband access. IN: Intelligent Network IP: Internet Protocol - a protocol used for communicating data across a packet-switched internetwork. This is an addressing system actively deployed worldwide. IPTV: Internet Protocol TV ISDN: Integrated Services Digital Network - a telephone system network. The key feature of the ISDN is that it integrates speech and data on the same line. ISP: Internet Service Provider - a company which primarily offers their customer's access to the Internet using dial-up or broadband access. LAN: Local Area Network - a computer network covering a small geographic area, like a home or office offering much higher data-transfer rates than a Wide Area Network (WAN). Legacy Networks:  Networks which contain a high proportion of equipment no longer supported by the manufacturer which often has been fully depreciated by the operator. This is typically TDM equipment. LLU: Local Loop Unbundling. This is a regulatory process allowing multiple telecoms operators to use connections from the telecoms exchange's central office to the customer's premises. LTE: Long Term Evolution, marketed as 4G LTE, is a standard for wireless communication of high-speed data for mobile phones and data terminals MDF: Main Distribution Frame MSAN:  Multi Service Access Node NGA: Next Generation Access NGN: Non Geographic Number - telephone numbers which gives no indication as to the geographical location of the line being called such as numbers starting with 07, 08 or 09. NGN: Next Generation Network - a broad term to describe some key architectural evolutions in telecommunication and access networks that will be deployed over the next decade. The general idea behind NGN is that one network transports all information and services (voice and data) by encapsulating these into packets. NGS: Next Generation Switch. NTE: Network Termination Equipment OSP: Out side plant  OSS: Operational Support System PABX: Private Automatic Branch Exchange (see PBX). PBX: Private Branch Exchange - a telephone exchange that serves a particular business or office. PON: Passive Optical Network POP: Point of Presence POTS:  Plane old Telephone Service PSTN: Public Switched Telephone Network - the network of the world's public circuit- switched telephone networks. QoS: Quality of Service. A scheme introduced by Ofcom which mandates CPs over a certain size to report performance statistics in a number of areas. This allows consumers to compare telecoms providers. RACSS: Rack and Cable Support System ROI: Return on Investment SDH: Synchronous Digital Hierarchy SDSL: Symmetric Digital Subscriber Line SIP: Session Initiation Protocol - used to provide VoIP channels to subscribers. SS7: Signalling System No. 7 System X:  A TDM group of switches manufactured by GPT/Marconi TDM: Time Division Multiplex VDSL: Very-high-rate Digital Subscriber Line VDVoIP: Voice, Data and Video over IP VoIP: Voice over IP - a protocol optimised for the transmission of voice calls via the Internet, also referred to as IP telephony, Internet telephony, voice over broadband, broadband telephony and broadband phone. Utilises QoS to transmit voice packets at higher priority to avoid disjointed voice calls. VLC: Voice Line Control VPN: Virtual Private Network. A network in which some of the links between devices are carried by public connections, such as the Internet or PSTN. WAN: Wide Area Network XDSL: Generic name for all versions of DSL
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Telecoms Acronyms Home
Telecoms Acronyms used on this web site ACR: Anonymous Call Rejection.  A network based service that allows End Users to block calls from people who have withheld their numbers. ADSL: Asymmetric Digital Subscriber Line. A form of DSL, an 'always on' data communications technology that enables faster data transmission over copper telephone lines than a conventional dial up modem can provide. ADSL offers faster download speeds than upload speeds. AIN: Advanced Intelligent Network. A telephone network architecture which adds advanced computer intelligence to the telephone system e.g. voice recognition. ASP: Application Service Provider AXE10: TDM switching system made by Ericsson BSS: Business Support System BT 21CN: BT's 21st Century Network - 21CN is BT's global, software driven customer network that introduces a new, simpler portfolio of next generation services. CDM: The Construction (Design and Management) Regulations 2007 (commonly known as CDM 2007), also known as CDM Regulations or CDM 2007 These regulations were a result of an EU Directive 92/57/EEC (OJ L245, 26.8.92) which  come into force on the 6th of April 2007. The regulations place specific duties on clients, designers and contractors, to rethink their approach to health and safety, so that it is taken into account throughout the life of a construction project from its inception to its subsequent final demolition and removal. CPE: Customer Premise Equipment - any terminal and associated equipment located at a subscriber's premises and connected with a carrier's channel. CPS: Carrier PreSelect - the process where by a telephone subscriber whose telephone line is maintained by one company, can choose to have some of their calls automatically routed across a different telephone company's network without needing to enter a special code or special equipment. CRM: Customer Relationship Management - a term applied to processes implemented by a company to handle its contact with its customers. CRM software is used to support these processes, storing information on current and prospective customers. CSP: Communications Service Provider - the term encompasses public and private companies in the fixed line, wireless, internet, cable, satellite and managed services businesses. DACS: Digital Access Carrier System - a method used to carry two voice lines over a single copper pair. DDI: Direct Dial Identifier - a feature offered by telephone companies for use with their customers' PBX systems, whereby the telephone company allocates a range of numbers all connected to extensions on the customer PBX. DEDS: Data Exchange Distribution System - contains all the Call Data Records (CDRs) that have been collected and processed from 21CN and Legacy PSTN network for a particular CP. DPNSS: Digital Private Network Signalling System - a network protocol used on digital trunk lines for connecting two PABX.  DSL: Digital Subscriber Line DSLAM: Digital Subscriber Line Access Multiplexer FAS: Flexible Access System FTTC: Fibre to the Curb FTTH: Fibre to the Home FTTP: Fibre to the Pavement FTTX: Fibre to the "x" generic term Gigabit: One billion bits GPON: Gigabit Passive Optical Network GPRS: General Packet Radio Service - a packet oriented mobile data service and can be used for services such as Wireless Application Protocol (WAP) access, Short Message Service (SMS), Multimedia Messaging Service (MMS) and for Internet communication services such as email and World Wide Web access. GSM: Global System for Mobile Communications. Popular standard for mobile phones in the world. Its ubiquity makes international roaming very common between mobile phone operators, enabling users to use their phones in many parts of the world. IAP: Internet Access Provider - a company which primarily offers their customers access to the Internet using dial-up or broadband access. IN: Intelligent Network IP: Internet Protocol - a protocol used for communicating data across a packet-switched internetwork. This is an addressing system actively deployed worldwide. IPTV: Internet Protocol TV ISDN: Integrated Services Digital Network - a telephone system network. The key feature of the ISDN is that it integrates speech and data on the same line. ISP: Internet Service Provider - a company which primarily offers their customer's access to the Internet using dial-up or broadband access. LAN: Local Area Network - a computer network covering a small geographic area, like a home or office offering much higher data- transfer rates than a Wide Area Network (WAN). Legacy Networks:  Networks which contain a high proportion of equipment no longer supported by the manufacturer which often has been fully depreciated by the operator. This is typically TDM equipment. LLU: Local Loop Unbundling. This is a regulatory process allowing multiple telecoms operators to use connections from the telecoms exchange's central office to the customer's premises. LTE: Long Term Evolution, marketed as 4G LTE, is a standard for wireless communication of high-speed data for mobile phones and data terminals MDF: Main Distribution Frame MSAN:  Multi Service Access Node NGA: Next Generation Access NGN: Non Geographic Number - telephone numbers which gives no indication as to the geographical location of the line being called such as numbers starting with 07, 08 or 09. NGN: Next Generation Network - a broad term to describe some key architectural evolutions in telecommunication and access networks that will be deployed over the next decade. The general idea behind NGN is that one network transports all information and services (voice and data) by encapsulating these into packets. NGS: Next Generation Switch. NTE: Network Termination Equipment OSP: Out side plant  OSS: Operational Support System PABX: Private Automatic Branch Exchange (see PBX). PBX: Private Branch Exchange - a telephone exchange that serves a particular business or office. PON: Passive Optical Network POP: Point of Presence POTS:  Plane old Telephone Service PSTN: Public Switched Telephone Network - the network of the world's public circuit-switched telephone networks. QoS: Quality of Service. A scheme introduced by Ofcom which mandates CPs over a certain size to report performance statistics in a number of areas. This allows consumers to compare telecoms providers. RACSS: Rack and Cable Support System ROI: Return on Investment SDH: Synchronous Digital Hierarchy SDSL: Symmetric Digital Subscriber Line SIP: Session Initiation Protocol - used to provide VoIP channels to subscribers. SS7: Signalling System No. 7 System X:  A TDM group of switches manufactured by GPT/Marconi TDM: Time Division Multiplex VDSL: Very-high-rate Digital Subscriber Line VDVoIP: Voice, Data and Video over IP VoIP: Voice over IP - a protocol optimised for the transmission of voice calls via the Internet, also referred to as IP telephony, Internet telephony, voice over broadband, broadband telephony and broadband phone. Utilises QoS to transmit voice packets at higher priority to avoid disjointed voice calls. VLC: Voice Line Control VPN: Virtual Private Network. A network in which some of the links between devices are carried by public connections, such as the Internet or PSTN. WAN: Wide Area Network XDSL: Generic name for all versions of DSL
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Registered in England with Number: 05910429