সহকারী ব্যবস্থাপক (কারিগরি)

Telecom History : Bangladesh Perspective 1837: Samuel Morse invented Telegraph 1850: Electric Telegraph Line between Calcutta and Diamond Harbor by East India Company 1853: Telegraph branch under Posts and Telegraph Department, British India 1853: 4000 miles telegraph lines constructed in India 1855: Telegraph service opened to public in India 1858: India-Srilanka telegraph cable laid 1885: Telegraph Act 1886: Copper wire replacing iron wire 1895: Phonogram introduced in India 1902: Wireless Telegraphy started in India 1914: Postal and Telegraph departments merged in India 1933: Wireless Telegraphy Act 1944: Introduction of Hindi script 1962: Reconstructed as Pakistan Telegraph and Telephone Department 1971: Reconstructed as Bangladesh Telegraph and Telephone Department under Ministry of Posts and Telecommunications after the liberation war 1975: Reconstructed as Telegraph and Telephone Board 1979: Reconstructed as Bangladesh Telegraph and Telephone Board (BTTB) with right to issue license for telecom and wireless services. 1981: Digital Telex Exchange in Bangladesh 1983: Automatic Digital ITX started in Dhaka 1985: Coinbox Telephone introduced in Bangladesh by BTTB 1989: GENTEX Telegraph messaging service introduced in Bangladesh 1989: Bangladesh Rural Telecom Authority got license to operate exchanges in 200 upzillas 1989: Sheba Telecom got license to operate exchange is 199 upzilla 1989: Cellular mobile phone company Pacific Bangladesh Telephone Limited and Bangladesh Telecom got license 1992: BTCL and Telephone Shilpa Sangstha launches magnetic cardphone service in the country (1400 units) 1995: Card Telephone service introduced in Bangladesh by BTTB and TSS 1995: Regulatory power of BTTB transferred to Ministry (MoPT) 1995: 2nd and 3rd ITX installed in Dhaka 1996: Grameen Phone got cellular mobile Telephone license 1998: Telecom Malaysia International Bangladesh got cellular mobile license 1998: Telecom Policy by Ministry of Post and Telecommunications 1999: 1130 units of chiptype cardphone installation begi