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History. The first use of a national emergency telephone number began in the United Kingdom in 1937 using the number 999, which continues to this day. In the United States, the first 911 service was established by the Alabama Telephone Company and the first call was made in Haleyville, Alabama, in 1968 by Alabama Speaker of the House Rankin Fite and answered by U.S. Representative Tom Bevill.
An automatic number announcement circuit ( ANAC) is a component of a central office of a telephone company that provides a service to installation and service technicians to determine the telephone number of a telephone line. The facility has a telephone number that may be called to listen to an automatic announcement that includes the caller's ...
With Pre-Select, the subscriber calls a prescribed free number (8-800-333-0990 for MTT or 8-800-100-2525 RT) and signs up initially for service. They may also sign a statement at the phone company indicating their choice of provider. With this provider, the prefixes and dialing procedures for non-local calls are the ones currently in use.
Ringback number. A ringback number is a telephone number for a telephone line that automatically calls the line that the call was placed from, after the caller has hung up. The typical use of this facility is by telephone company technicians for testing a new installation or for trouble-shooting. [1]
In Canada and the United States, the telephone number 711 is used for the Telecommunications Relay Service. In the U.S., every phone company is required to connect persons who dial 711 to a TRS call center from a working number. In July 2007, the Federal Communications Commission ruled that the 711 requirement extended to VOIP telephony.
The WATS (Wide Area Telephone Service) line is the heart of all SNCC security and communications. For a flat monthly rate, an unlimited number of calls can be dialed directly to any place in the country — or the state — depending on what line one uses. The Jackson office has a state-wide line, the Atlanta office has the national WATS line.
A vertical service code ( VSC) is a sequence of digits and the signals star (*) and pound/hash (#) dialed on a telephone keypad or rotary dial to access certain telephone service features. [1] Some vertical service codes require dialing of a telephone number after the code sequence. On a touch tone telephone, the codes are usually initiated ...
Discount store. A discount store or discounter offers a retail format in which products are sold at prices that are in principle lower than an actual or supposed "full retail price". Discounters rely on bulk purchasing and efficient distribution to keep down costs. [1]