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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 ...
Frontier (2010–present) Frontier Midstates, Inc. is a telephone operating company of Frontier Communications serving Indiana and Michigan . It was originally owned by Contel , and later purchased by GTE , Verizon , and then sold to Frontier.
In Michigan, some Frontier customers report being contacted by scammers claiming to be employees of the company. In West Virginia, scammers claimed to be employees of a county commission.
Frontier shuts down call centers, transitions to digital communications. November 28, 2022 at 12:08 PM ...
Wide Area Telephone Service (WATS) was a flat-rate long-distance service for customer dial-type telecommunications in the service areas of the North American Numbering Plan (NANP). The service was between a given customer phone (also known as a "station") and stations within specified geographic rate areas, employing a single telephone line ...
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.
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