2019
OTE completes the sale of its entire stake in Telekom Albania Sh.A. to Albania Telecom Invest AD, for a total gross equity consideration of €50m.
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2018
COSMOTE presents its new corporate tagline, as well as its promise to contribute to a better world, for all, through technology
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2017
OTE S.A. piloted the new “fiber-to-the-home” (FTTH) network architecture in the Municipality of Athens. Offering Internet speeds of up to 1 Gbps, the Group paved the way for the Gigabit Society.
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2016
As part of the Group's strategy to use a common brand name for all its communication and entertainment products, the OTE Group's TV service became COSMOTE TV.
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2015
COSMOTE, the single brand name, was established for all fixed, mobile, and Internet services.
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2014
A new collective labor agreement was signed, securing job positions for the next three years.
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2013
Free high definition voice (HD voice) services were provided to mobile customers for the first time in Greece.
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2012
VDSL, the fastest fixed Internet service with speeds up to 50 Mbps, was launched.
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2011
The 3G mobile telephony network offered a population coverage in excess of 98%, the largest in Greece according to the data that was submitted to EETT.
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2010
The OTE Board of Directors appointed Mr. Michael Tsamaz as Chairman and CEO of the OTE Group on November 3, 2010.
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2009
Following the sale of an additional 5% of the Greek State's shares and voting rights, Deutsche Telekom’s stake in OTE S.A. amounted to 30% and 20% for the Greek State.
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2008
OTE S.A. acquired 100% of COSMOTE S.A. and its share was delisted from the Athens Stock Exchange.
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2007
Fixed broadband Internet bundles (ADSL) in conjunction with mobile telephony services became available on the Greek market for the first time.
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2006
The acquisition of GERMANOS, the most successful telecommunications retail chain in SE Europe, was announced.
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2005
COSMOTE acquired 100% of the shares of GLOBUL in Bulgaria and COSMOFON in FYROM
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2004
OTE S.A. and COSMOTE S.A. were the Major National Sponsors of the Athens 2004 Olympic Games.
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2003
The Hellas Sat2 satellite was launched from Cape Canaveral.
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2002
It now had in excess of 3,500,000 mobile customers in Greece and 500,000 in Albania.
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2001
The OTE Group started operating in a deregulated telecommunications market.
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2000
OTE S.A. acquired a GSM license in Bulgaria and incorporated Globul for this purpose.
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1999
The mobile telecommunications network offered 97% population coverage.
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1998
The third public stock offering took place.
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1997
The second public stock offering successfully commenced.
1996
OTE S.A. was listed on the Athens Stock Exchange.
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1994
The Network Management System (N.M.S) began its initial operations in Athens.
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1992
The first 350 card-operated payphones were installed.
1991
The provision of Video-conference Services began
1990
A broad fiber optic network was installed.
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1989
The AXE-10/ERICSSON system, the first fully digital telephone exchange, operated in Patras.
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1988
Partial operation of the first fully-digital international telephone exchange according to international communication standards (C.C.I.T.T).
1987
The Paging service began.
1986
The INMARSAT Land Earth Station at the Center of Satellite Communication in Thermopylae officially commenced operations.
1981
The New MT-20 International Electronic Telephone Exchange in Athens became operational.
1979
The International Teletype Center in Athens became operational.
1974
Submarine cable and radio-link construction works were carried out.
1972
The second antenna of the Center of Satellite Communication in Thermopylae was installed.
1971
The first ever issue of the Yellow Pages was published.
1970
The first antenna of the Center of Satellite Communication in Thermopylae (the 6th in Europe) was installed.
1969
The automatic-semiautomatic International Teletype Center in Athens became operational.
1968
Laying of the MED 3 Greece-Italy submarine cable.
1965
Greece’s long-distance telephone network became automated
1962
Automation of the TELEX service commenced.
1957
The TELEX service became operational
1953
OTE’s first telephone directory was published.
November 10, 1949
OTE officially launched its commercial operations.
October 23, 1949
ΟΤΕ S.A was founded (Legislative Decree .1049/49)
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