1853 :

Telegraph branch under Posts and Telegraph Department, British India.

1971 :

Reconstructed as Bangladesh Telegraph and Telephone Department under Ministry of Posts and Telecommunications.

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 service 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 upazilla.

1989 :

Sheba Telecom got license to operate exchange is 199 upazilla.

1989 :

Cellular mobile phone company Pacific Bangladesh Telephone Limited and Bangladesh Telecom got license.

1995 :

Card Telephone service introduced in Bangladesh by BTTB and TSS.

1995 :

Regulatory power of BTTB transferred to Ministry (MoPT).

1995 :

2^nd and 3^rd ITX installed in Dhaka.

1996 :

Govt.  awarded 3 GSM licenses to private sector to operate cellular mobile phone network to GP, AKTEL and Sheba Telecom (Banglalink) by Nov.

1998 :

National Telecom Policy formulated.

2000 :

Very Small Aperture Terminal (VSAT) made open.

2001 :

Bangladesh Telecommunication Act, 2001 enacted to establish Bangladesh Telecommunication Regulatory Commission (BTRC).

Achievements after the formation of BTRC

2002 :

BTRC formed and start his journey.

2002 :

ICT Policy formulated.

2002 :

BTTB joined SEA-ME-WE-4 Submarine Cable Consortium.

2004 :

Teletalk cellular mobile launched.

2004 :

10 x Public Switched Telephone Network (PSTN) licenses awarded.

2004 :

Licensing Procedure regulation issued.

2004 :

Interconnection Regulation 2004 issued.

2005 :

Egypt-based Orascom acquired Sheba Telecom.

2006 :

NGN introduced in BTTB.

2006 :

SEA-ME-WE 4 Connectivity established.

2007 :

ILDTS Policy issued.

2007 :

Introduced Tariff Circuit (Lowest Tk. 0.25, Highest Tk. 2.00).

2007 :

Revision of Interconnection Charge (Lowered from Tk. 0.66 to 0.40).

2007 :

Issued 4 Nationwide PSTN license.

2008 :

BTTB converted into Bangladesh Telecommunications Company Limited (BTCL) with 100% shares owned by Government and The Submaring Cable Project transformed into Bangladesh Submarine Cable Company Limited (BSCCL).

2008 :

Network Coverage in 3 hill track districts.

2008 :

2 x BWA Licenses was auctioned.

2008 :

3 x IGW, 2 x ICX, 1 x IIG Licenses issued in February by open auction.

2008 :

e-Filling for her own Satellite (Bangabandhu Satellite-1) at ITU.

2009 :

Internet Protocol Telephony Service Provider (IPTSP) Operators launched.

2009 :

Establish 6 Spectrum Monitoring Station at Dhaka, Rangpur, Bogra, Sylhet, Khulna and Chittagong.

2009 :

7 x International Terrestrial Cable (ITC) licenses issued.

2009 :

2 x NTTN Service provided license issued.

2009 :

12 x Vehicle Tracking Services license issued.

2010 :

Bangladesh elected as Council Member of ITU for 2011-2014.

2010 :

National Broadband Policy’ 2010 formulated.

2010 :

Adopted project on Launching her own Satellite.

2011 :

2012 :

3G mobile service introduced by state owned Teletalk in October.

2012 :

4 x 2G Mobile Phone Services Licenses renewed in Aug.

2013 :

3G Mobile Services License awarded to 4 Operator in September.