Report on Telecommunication Industry of Bangladesh (A Study on Teletalk Bangladesh Limited). HISTORY OF TELECOMMUNICATION INDUSTRY IN BANGLADESH 1.0 Introduction The Telegraph branch under the Posts and Telegraph Department was created in 1853 in British India and was regulated afterward under the Telegraph act of 1885. Pakistan Telegraph and Telephone Department was constructed in 1962. After the independence of the People’s Republic of Bangladesh in 1971, Bangladesh Telegraph and Telephone department was set up under the Ministry of Posts and Telecommunications. This was converted into a corporate body named ‘Telegraph and Telephone Board’ by promulgation of Telegraph and Telephone Board Ordinance, 1975. On 24th February, 1979; Telegraph and Telephone Board was converted to “Bangladesh Telegraph and Telephone Board (BTTB)” as a Government Board. 2.0 Gradual Advancement of the Telecom Sector in Bangladesh 2.1.1
At the time of Independence
Full Government Monopoly Few analog exchanges Some CB (Central Battery) exchanges National transmission with physical lines, VHF radios, and 2 number Microwave (M/W) routes Overseas communication through low capacity High Frequency (HF) system Services provided mainly - telegraph & telephony 2.1.2
Developments in BTTB from 1973-85
Standard ‘A’ Earth Station at Betbunia, Rangamati First digital International Trunk Automatic Exchange (ITX) at Moghbazar, Dhaka First digital Trunk Automatic Exchange (TAX) at 4 towns namely Dhaka, Chittagong, Khulna and Bogra Standard ‘B’ Earth Station at Talibabad, Gazipur Analog microwave routes at 9 districts VHF analog multi-access radio telephone to connect remote important subscribers and rural Public Call Offices (PCOs). 2.1.3
Developments in BTTB from 1986-95
First digital telephone subscribers: 26000 lines in Dhaka in 1989 First digital PDH (140 Mbps) Microwave at 17 district towns Telecom Staff College at Gazipur UHF radio links to inter-connecting upazillas to district. Standard ‘A’ Earth Station at Mahakhali, Dhaka. New ITX (digital) at Mahakhali, Dhaka