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Sunday, May 30, 2010

Chronological Development of Telecommunication in Subcontinent

    
Chronological Development of Telecommunication in Subcontinent

Ø                  1850 : Electric Telegraph Line between Calcutta and Diamond Harbour, used by East India Company.
Ø                  1853 : Telegraph branch under Posts and Telegraph Department, British India.
Ø                  1853 : 4000 miles Telegraph lines constructed in India.
Ø                  1855 : Telegraph service opened to public in India.
Ø                  1858 : India- Srilanka Telegraph cable laid.
Ø                  1885 : Telegraph Act.
Ø                  1886 : Copper wire replacing iron wire.
Ø                  1895 : Phonogram introduced in India.
Ø                  1902 : Wireless Telegraphy started in India.
Ø                  1914 : Postal and Telegraph departments merged in India
Ø                  1933 : Wireless Telegraphy Act.
Ø                  1949 : Introduction of Hindi script telegram.
Ø                  1962 : Reconstructed as Pakistan Telegraph and Telephone Department.
Ø                  1971 : Reconstructed as Bangladesh Telegraph and Telephone Department under Ministry of Posts and Telecommunications.
Ø                  1975 : Reconstructed as Telegraph and Telephone Board.
Ø                  1979 : Reconstructed as Bangladesh Telegraph and Telephone Board (BTTB) with right to issue license for telecom and wireless services.
Ø                  1981 : Digital Telex Exchange in Bangladesh.
Ø                  1983 : Automatic Digital ITX started in Dhaka.
Ø                  1985 : Coinbox Telephone service introduced in Bangladesh by BTTB.
Ø                  1989 : GENTEX Telegraph messaging service introduced in Bangladesh.
Ø                  1989 : Bangladesh Rural Telecom Authority got license to operate exchanges in 200 upazilla.
Ø                  1989 : Sheba Telecom got license to operate exchange is 199 upazilla.
Ø                  1989 : Cellular mobile phone4 company Pacific Bangladesh Telephone Limited and Bangladesh Telecom got license.
Ø                  1995 : Card Telephone service introduced in Bangladesh by BTTB and TSS.
Ø                  1995 : Regulatory power of BTTB transferred to Ministry (MoPT).
Ø                  1995 : 2nd and 3rd  ITX installed in Dhaka.
Ø                  1996 : Grameen Phone got cellular mobile Telephone license.
Ø                  1996 : Telecom Malaysia International Bangladesh got cellular mobile license.
Ø                  1998 : Telecom Policy.
Ø                  2000 : Global Telecom Service (GTS) Telex Exchange venture with British Teleco.
Ø                  2001 : Telecommunication Act, to establish Bangladesh Telecommunication Regulatory Commission (BTRC).
Ø                  2002 : ICT Policy.
Ø                  2004 : Teletalk cellular mobile launched.
Ø                  2006 : NGN introduced in BTTB.
Ø                  2008  (1 July) : Converted into Bangladesh Telecommunications Company Limited (BTCL) with 100% shares owned by Government and with 9 directors, headed by secretary of Ministry of Post and Telecommunications.






Mose Code was invented by Samuel F. B. Morse and Alfred Vail in 1836.  It was originally used to convey messages through a telegraph. 

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