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A telecommunications device for the deaf (TDD) is a teleprinter, an electronic device for text communication over a telephone line, that is designed for use by persons with hearing or speech difficulties. Other names for the device include teletypewriter (TTY), textphone (common in Europe), and minicom (United Kingdom).
The Bell System was a system of telecommunication companies, led by the Bell Telephone Company and later by the American Telephone and Telegraph Company (AT&T), that dominated the telephone services industry in North America for over 100 years from its creation in 1877 until its antitrust breakup in 1983.
Bangladesh is connected to SEA-ME-WE 4 or SMW-4 (South-East Asia – Middle East – Western Europe 4) and SEA-ME-WE 5 submarine cable systems. The landing site of the SMW-4 Bangladesh branch is located in Cox's Bazar and the landing site of the SMW-5 Bangladesh branch is located in Kuakata. The two submarine cables provide the country with ...
This is a list of notable telecommunications companies of Bangladesh This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources .
The use of electronics in Bangladesh started in the 1930s through the field of communication with the establishment of radio stations, telephone exchanges, and wireless communication. During World War II, to satisfy military needs, the technology of wireless communication was enhanced and the latest technology was introduced in the British Raj.
AT&T Communications was renamed AT&T Communications – East, Inc. and sold long-distance telephone service and operated as a CLEC outside of the borders of the Bell Operating Companies that AT&T owned. It has now been absorbed into AT&T Corp. and all but 4 of the original 22 subsidiaries that formed AT&T Communications continue to exist.
A blue box device allowed for circumventing these charges by enabling an illicit user, referred to as a "phreaker," to place long-distance calls, without using the network's user facilities, that would be billed to another number or dismissed entirely by the telecom company's billing system as an incomplete call. A number of similar "color ...
Mobile phone companies of Bangladesh (10 P) Pages in category "Telecommunications companies of Bangladesh" The following 21 pages are in this category, out of 21 total.