advanced subscriber service en
1Advanced Mobile Phone System — Motorola DynaTAC 8000X AMPS mobile phone Advanced Mobile Phone System (AMPS) was an analog mobile phone system standard developed by Bell Labs, and officially introduced in the Americas in 1983,[1] …
2Digital subscriber line — DSL redirects here. For other uses, see DSL (disambiguation). DSL technologies Standard ADSL ANSI T1.413 Issue 2 ITU G.992.1 (G.DMT) ITU G.992.2 (G.Lite) ADSL2 ITU G.992.3 ITU G.992.4 ITU G.992.3 Annex J ITU G.992.3 Annex L ADSL2+ …
3Asymmetric Digital Subscriber Line — (ADSL) is a form of DSL, a data communications technology that enables faster data transmission over copper telephone lines than a conventional voiceband modem can provide. It does this by utilizing frequencies that are not used by a voice… …
4Universal Service Fund — The Universal Service Fund (USF) was created by the United States Federal Communications Commission in 1997 to meet the goals of Universal Service as mandated by the Telecommunications Act of 1996. The 1996 Act states that all providers of… …
5Very High Speed Digital Subscriber Line 2 — VDSL2 (Very High Speed Digital Subscriber Line 2) is an access technology that exploits the existing infrastructure of copper wires that were originally deployed for POTS services. It can be deployed from central offices, from fibre fed cabinets… …
6Plain old telephone service — (POTS) is the voice grade telephone service that remains the basic form of residential and small business service connection to the telephone network in most parts of the world. The name is a reflection of the telephone service still available… …
7Improved Mobile Telephone Service — The Improved Mobile Telephone Service (IMTS) is a 0G pre cellular VHF/UHF radio system that links to the PSTN. IMTS was the radiotelephone equivalent of land dial phone service. It was introduced in 1969 as a replacement to Mobile Telephone… …
8Very High Bitrate Digital Subscriber Line — VDSL or VHDSL (Very High Bitrate DSL) [ [http://www.kpn.com/artikel.htm?contentid=2895 KPN KPN starts VDSL trials] ] is a DSL technology providing faster data transmission over a single flat untwisted or twisted pair of copper wires. These fast… …
9Internet service provider — ISP redirects here. For other uses, see ISP (disambiguation). An Internet service provider (ISP) is a company that provides access to the Internet. Access ISPs directly connect customers to the Internet using copper wires, wireless or fiber optic …
10Quality of service — In the field of computer networking and other packet switched telecommunication networks, the traffic engineering term quality of service (QoS) refers to resource reservation control mechanisms rather than the achieved service quality. Quality of …
