calling exchange

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• exchange — A voluntary association or corporation organized for the purpose of furnishing its members a convenient and suitable place to transact their business, of promoting uniformity in the customs and usages of merchants, of inculcating principles of… …   Ballentine's law dictionary

• Calling-party camp-on — In telecommunication, a calling party camp on is a service feature that enables the telephone exchange to complete an access attempt in spite of temporary unavailability of system transmission or switching facilities required to establish the… …   Wikipedia

• 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 exchange names — During the early years of telephone service, communities that required more than 10,000 telephone numbers, whether dial service was available or not, utilized exchange names to distinguish identical numerics for different customers.When dial… …   Wikipedia

• Private branch exchange — A private branch exchange (PBX) is a telephone exchange that serves a particular business or office, as opposed to one that a common carrier or telephone company operates for many businesses or for the general public. PBXs are also referred to as …   Wikipedia

• Verb Exchange — Infobox Company company name = Verb Exchange Inc. company company type = Public | foundation = Vancouver, British Columbia (2004) key people = Craig Goldenberger,CEO location = Vancouver, British Columbia, Canada industry = Digital Media products …   Wikipedia

• All-Number Calling — was a new system of telephone numbers that was phased in the United States in the 1950s and 1960s.Until the 1950s, local telephone numbers consisted of an exchange and a 5 digit phone number. A New Yorker s phone number might be CHelsea 4 5034,… …   Wikipedia

• Local exchange carrier — (LEC) is a regulatory term in telecommunications for the local telephone company. In the United States, wireline telephone companies are divided into two large categories: long distance (interexchange carrier, or IXCs) and local (local exchange… …   Wikipedia

• Lisburn telephone exchange code — The Lisburn telephone exchange code refers to the former 01846 area code, which until the 2000 Big Number Change, served Lisburn, Aghalee, Moira, Hillsborough, Dromore, Maze, Stoneyford and Baillies Mills, all of which are in Northern Ireland, a… …   Wikipedia

• Singapore Exchange — Infobox Company | company name = Singapore Exchange Limited company company type = Public (SGX: [http://info.sgx.com/serviceapp.nsf/Cpy/S68 S68] ) company slogan = foundation = Singapore (1 December 1999) location = Singapore industry = Stock… …   Wikipedia

• Dalian Commodity Exchange — 大连商品交易所 Type Non profit institution (administered by CSRC) Industry Financial Founded 1993 as Dalian Commodity Exchange Headquarters …   Wikipedia