telephone number system

См. также в других словарях:

• Telephone Number Mapping — (ENUM or Enum, from E.164 NUmber Mapping) is a suite of protocols to unify the telephone numbering system E.164 with the Internet addressing system DNS by using an indirect lookup method, to obtain NAPTR records. The records are stored at a DNS… …   Wikipedia

• Telephone number — A telephone number or phone number is a sequence of digits used to call from one telephone line to another in a public switched telephone network. When telephone numbers were invented, they were short as few as one, two or three digits and were… …   Wikipedia

• Telephone Number Mapping — ENUM steht für „E.164 NUmber Mapping“ und ist eine Anwendung des Domain Name Systems zur Übersetzung von Telefonnummern in Internet Adressen. ENUM wird im RFC 6116 definiert. Der Bedarf für eine solche Lösung erwuchs aus der Verfügbarkeit von… …   Deutsch Wikipedia

• Emergency telephone number — Many countries public telephone networks have a single emergency telephone number, sometimes known as the universal emergency telephone number or occasionally the emergency services number, that allows a caller to contact local emergency services …   Wikipedia

• Toll-free telephone number — A toll free, Freecall, Freephone, or 800 number is a special telephone number, in that the called party is charged the cost of the calls by the telephone carrier, instead of the calling party. The cost of the call to the called party is usually… …   Wikipedia

• 999 (emergency telephone number) — A sign on a beach in Whitstable, United Kingdom, advising readers to dial 999 in the event of an emergency 999 is an official emergency telephone number in a number of countries which allows the caller to contact emergency services for urgent… …   Wikipedia

• 555 (telephone number) — In North America, telephone numbers with the prefix 555 are widely used for fictitious telephone numbers in television shows, films, computer games, and other media. Not all numbers that begin with 555 are fictional mdash;for example, 555 1212 is …   Wikipedia

• telephone — [tel′ə fōn΄] n. [ TELE + PHONE: term adopted by BELL Alexander Graham (1876) after use for other sound instruments ] ☆ 1. a system for transmitting speech or computerized information over distances, usually by converting sounds into electric… …   English World dictionary

• telephone — telephoner, n. /tel euh fohn /, n., v., telephoned, telephoning. n. 1. an apparatus, system, or process for transmission of sound or speech to a distant point, esp. by an electric device. v.t. 2. to speak to or summon (a person) by telephone. 3.… …   Universalium

• Telephone exchange — A telephone operator manually connecting calls with cord pairs at a telephone switchboard. In the field of telecommunications, a telephone exchange or telephone switch is a system of electronic components that connects telephone calls. A central… …   Wikipedia

• Telephone numbers in the United Kingdom — +44 redirects here. For the band, see +44 (band). United Kingdom telephone numbers Location of United Kingdom (dark green) Location Country United Kingdom Continent …   Wikipedia