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Home
About Us
Profile
Milestones
Business
Technology
Business
2018
Opening of the state-of-the-art tier 3 “National Data Center” in Sri Lanka
Achieves ISO certifications for its information security & business continuity management systems.
2017
Successfully field test pre-5G LTE advanced pro technology in South Asia.
Opening of National Telecommunication Museum, Padukka
2016
Introduces of SEA-ME-WE 5 Submarine Cable System.
Launching of “OTT entertainment platform” in Sri Lanka
SLT becomes a Global PoP with Double-Landing Station, Matara, Sri Lanka.
Start providing global connectivity backhauling facility via Sri Lanka.
2015
Launch of Fibre Optic Broadband (FTTx) service.
Launch of National Cloud platform (AKAZA)
Increased the coverage of SLT Carrier Grade Wi-Fi network to more than 200 sites island wide
Terabyte Broadband Data packages introduced.
2014
SLT Inks USD 415 Million ICT Investment Agreement with the BOI.
SLT incorporates “SLT Property Management (Pvt) Ltd.
SLT launched “Sisu-Connect” service to Strengthen “Children-Parent” Communication.
2013
SLT’s 100Mbps super-fast broadband internet goes live in Sri Lanka.
2012
SLT Broadband enhances speed up to 4 times faster (up to 16 Mbps).
SLT launches TV Banking service on PeoTV platform.
SLT opens its newest Teleshop at heritage CTO building in Colombo Fort
2011
SLT subsidiary, Sky Network Private Limited launches Skymax- the first ever WiMAX 16e broadband service in Sri Lanka.
SLT Group Records Rs. 50 Bn Revenue.
SLT launches i-Sri Lanka network modernisation project for consistent, uninterrupted high speed internet.
2010
SLT launches new Corporate Vision, Mission & Values - taking next steps towards transformation and further customer centricity.
SLT expands fibre optic information superhighway to the Northern Peninsula, Sri Lanka
Sri Lanka Telecom receives ISO 9001:2008 certification.
SLT reaches 200,000th Broadband customer milestone
2009
SLT launches Prestige Card,a loyalty reward card for personal solution customers.
2008
SLT boosts distance education in Sri Lanka through broadband connectivity, to National Online Distance Education System.
NTT Communications Corporation of Japan who held 35.2% of the total stated capital of the Company sells their holding in its entirety, to Global Telecommunications Holdings N.V. of Netherlands.
Sri Lanka Telecom launches Megaline
SLTnet International internet bandwidth upgrade to 3Gbps
2007
Mobitel strikes with the launch of M3.
Standard & Poor’s rates SLT above the country’s sovereign rating (SLT:BB-).
SLT launches PeoTV (Sri Lanka’s first IPTV service).
SLT obtains BOI status & SLT Mobitel signs BOI agreement for Stage III GSM and 3G expansion project.
SLT launches volume based broadband Internet package.
SLT to host SANOG IX, South Asia's largest networking conference.
2006
SLT Hong Kong launched.
SLT inaugurates Dhiraagu - SLT submarine cable system between Maldives and Sri Lanka SLT and BSNL launches Bharat Lanka Submarine Cable System.
SLT becomes the first Sri Lankan company to achieve the highest international information security standards
SLT officially inaugurates local operations of landmark SEA ME WE 4 submarine cable system.
2005
SLT Citylink, Sri Lanka Telecom’s CDMA network launched in Anuradhapura Sri Lanka Telecom Focuses on Intelligent Business Solutions.
2004
Sri Lanka Telecom receives the prestigious Fitch SL “AAA” rating.
Sri Lanka Telecom launches its state-of-the-art Internet Data Centre.
BSNL of India signs an MOU with SLT for submarine cable system between the two countries.
2003
Sri Lanka Telecom shares first traded on the Colombo Stock Exchange (CSE).
SLT Broadband Connections shake up the marketplace.
Market liberalization of International Services.
2002
Sri Lanka Telecom acquired balance 60% share of Mobitel (Pvt)Ltd - a mobile communications company.
2001
Rs. 7,800 million Regional Telecommunication Development Project completed.
SLT also completed Rs. 44 billion infrastructure development project.
2000
Rs. 1.5 billion debenture issue
First optical fiber ring connects 15 cities.
1999
Customer base reached 600,000
1998
Customer base reached 500,000.
Faults reporting and handling centralized to a universal number - 121.
Teleshop - Customer Care Centers opened.
1997
Sri Lanka Telecom privatised with the collaboration of Nippon Telegraph & Telephone Corporation (NTT) of Japan.
1996
Internet and E-mail Services introduced.
Sri Lanka Telecom Corporation converted into a Public Company.
1991
Sri Lanka Telecom Corporation formed.
1980
Postal and Telegraph services separated, forming two departments: Telecommunications and Postal.
International Direct Dialling (IDD) service introduced.
1976
First Earth Satellite Station (Standard A) commissioned in Padukka.
1963
Telex Service introduced.
1951
The Post and Telecommunications Department of Ceylon takes over the operations of the Cable & Wireless Compnay.
1941
International operations handed over to Cable & Wireless Company.
1935
International Telephone Service inaugurated.
1911
Central Telegraph Office opened.
1896
Government of Ceylon took over Oriental Telephone Company with its manually operated exchange.
1880
Postal and Telegraph services amalgamated under the control of the Government of Ceylon.
1858
First Telegraphic Circuit established between Galle and Colombo.
First international telegraph communication established between Ceylon and India.
Technology
2018
Opening of the state-of-the-art tier 3 “National Data Center” in Sri Lanka
2017
Successfully field test pre-5G LTE advanced pro technology.
2016
Introduces SEA-ME-WE 5 Submarine Cable System.
2015
Launch of Fibre Optic Broadband (FTTx) service.
Phase 5 of NGN migration completed.
2014
SLT launched fixed 4G/LTE Technology
SLT launches breakthrough cloud computing service, “Akaza”
SLT partners 15 global telcos to connect continents via SEA-ME-WE 5 submarine cable system.
SLT Launches Revolutionary 100 Mbps FTTH Ultra-Fast Broadband in Sri Lanka.
SLT launched world class “Carrier-grade” public Wi-Fi “hotspots” for the First Time in Sri Lanka.
SLT connects “Delft Island” in Jaffna to information super highway.
SLT Upgrades ‘LEARN’ – The National Research and Education Network.
2013
Announced soft-launch of VDSL2 technology to enhance customer's broadband experience.
2012
SLT Broadband enhances speed up to 4 times faster (up to 16 Mbps).
SLT launches Technology Experience Centre.
SLT deploys its FTTx technology with i-Sri Lanka project to improve Country's Broadband experience.
2011
SLT subsidiary, Sky Network Private Limited launches Skymax- the first ever WiMAX 16e broadband service in Sri Lanka.
2010
SLT expands fibre optic information superhighway to the Northern Peninsula, Sri Lanka
2009
SLT successfully deploys IPv6 in ISP Network.
2008
SLTnet International internet bandwidth upgrade to 3G
2007
Mobitel strikes with the launch of M3.
SLT broadcasts TV (IPTV).
SLTnet goes 1 Giga bps in international backbone.
2006
SLT inaugurates Dhiraagu - SLT submarine cable system between Maldives and Sri Lanka
SLT and BSNL launches Bharat Lanka Submarine Cable System.
SLT rolls out Metro Ethernet Services.
SLT officially inaugurates local operations of landmark SEA ME WE 4 submarine cable system.
2005
Sri Lanka Telecom’s CDMA network launched
SLT is the first to introduce eProcurement System in Sri Lanka - eTENDER facilitates online transparency and efficiency.
2004
Sri Lanka Telecom launches its state-of-the-art Internet Data Centre.
BSNL of India signs an MOU with SLT for submarine cable system between the two countries.
2003
SLT launches Broadband internet service on ADSL technology
2000
First optical fibre ring connects 15 cities.
1999
Linked up with SEA-ME-WE III digital fibre optic submarine cable.
1996
Internet and E-mail Services introduced.
1995
Fully digital third Satellite Earth Station (Standard A) commissioned in Padukka.
1994
Linked up with SEA-ME-WE II digital fibre optic submarine cable.
1993
Linked up with SEA-ME-WE I analogue submarine cable.
Packet Switching Service introduced.
Second Satellite Earth Station (Standard B) commissioned in Colombo.
1981
First Digital Master Exchange installed.
1976
First Earth Satellite Station (Standard A) commissioned in Padukka.
1966
Subscriber Trunk Dialling (STD) Service introduced.
1963
Telex Service introduced.
1935
International Telephone Service inaugurated.
1931
Installation of Automatic Telephone Exchange at Kahawatta in Ratnapura District.
1858
First submarine cable laid between India and Ceylon
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