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Direct-distance dialing (DDD) was first introduced in areas with common-control switching (panel and crossbar) in the 1950s.These areas had used 411 for directory assistance, and because of the ability of common-control switching to analyze the initial digits of a number in a "sender" before routing the call, these areas did not require the dialing of an initial 1 to initiate a long-distance call.
The operator would ask what number the subscriber was attempting to call, determine the reason for the intercept and relay the information to the calling party. [ 1 ] The first automatic intercept systems used rotating magnetic drums containing multiple recorded phrases, with a computer or mechanical control system playing phrases in the proper ...
Toll restriction or toll denial is a telephony feature offered by a telephone company that configures a telephone line to be configured so that it is impossible to originate long-distance calls from that line, or to accept charges reversed to the telephone number by other parties. Such lines usually allow calls to be made to no-charge numbers ...
Frontier shuts down call centers, transitions to digital communications. November 28, 2022 at 12:08 PM ...
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In telecommunications, a long-distance call (U.S.) or trunk call (also known as a toll call in the U.K. [citation needed]) is a telephone call made to a location outside a defined local calling area. Long-distance calls are typically charged a higher billing rate than local calls.
STAMFORD, Conn.--(BUSINESS WIRE)-- Frontier Communications (NAS: FTR) is warning customers of an increase in scam attempts by criminals trying to steal personal information. In Michigan, some ...
Frontier Communications of Texas: Formerly: State Telephone Company of Texas Southwestern Associated Telephone Company General Telephone Company of the Southwest GTE Southwest Incorporated: Company type: Subsidiary: Industry: Telecommunications: Founded: 1926; 99 years ago () Headquarters: Irving, Texas, USA [1] Products: Local Telephone ...