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History

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1839
1843
1871
1909
1924
1926
1929
1973
1976
1979
1982
1984
1985
1986
1987
1988
1989
1990
1991
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2008
2009
2010
2011
2012
2013
2014
2015

1839

During the Ottoman Empire, in line with the modernization efforts brought by the Gülhane Rescript of 1839 the first Postal Service Regulation entered into force in 1840 in order to establish an organized Postal Service similar to those in operation in Europe.

To this end, the Postal Ministry and the first postal authority, called the Postahane-i Amire were established.

1843

In 1843, 11 years after the invention of the telegraph, telegraph services began in Turkey, and in 1855, a separate department, the Telegraph Department was established.

1871

In 1871, the Postal Ministry and Telegraph Department were united under one roof and transformed into the Postal and Telegraph Ministry.

1909

After bringing into service Istanbul's first manual telephone exchange on 29th May 1909, the Postal and Telegraph Ministry was transformed into the Ministry of Post, Telegraph and Telephony in 1909, and then in 1913, was renamed the General Directorate of Post, Telegraph and Telephony.

February 1924

Pursuant to Telephone and Telegraph Law No. 406, the duty of establishing and operating telephone services nationwide was granted to the General Directorate of the PTT.

September 1926

Turkey's first automatic telephone exchange with 2000 line capacity was put into service in Ankara.

September 1929

The first intercity communication through an intercity trunk was realized between Ankara and Istanbul.

The General Directorate of the PTT, under the control of the Ministry of Internal Affairs in the early years of our Republic, was placed under the authority of the Ministry of Public Works as an annexed budget institution in 1933, and thereafter under the authority of the Ministry of Transportation in 1939.

November 1973

The first automatic telex exchange was established.

April 1976

A multi-channel foreign communication service was provided via the first submarine coaxial cable with total of 480 channels, was and was put into service between Antalya and Catania.

April 1979

Communication with 13 countries was provided over INTELSAT by using the satellites of the Atlantic region upon bringing the first satellite earth station into service.

March 1982

Installation of pay telephone stations suitable also for intercity and overseas calls was started.

December 1984

Turkey's first digital telephone exchange entered operation in Kavaklıdere, Ankara.

April 1985

Fiber optic cable, increasing channel capacity, was installed underground between Ankara (Ulus) and the Gölbaşı satellite earth station for the first time, and a 140 Mb/s system of 1310 nm wavelength was put into operation.

November 1985

The first radio link system was brought into service between Ankara and Istanbul.

October 1986

The mobile telephony system was brought into service in Ankara and Istanbul with a paging system in Ankara, Istanbul and Izmir.

March 1987

The first video conference in Europe over a satellite system was realized in Turkey.

July 1987

The first fiber optic cable between the provinces was installed aerially between Aydın and Denizli.

December 1988

A cable-TV service was brought into service for the first time in Çankaya, Ankara.

1989

The first Packet Switching Data Network, TURPAK was installed.

December 1990

  • A contract for "TURKSAT Satellites" was executed with French Firm Aérospatiale.
  • With the EMOS1 Project, communication via fiber optic submarine cable system was provided between Italy, Greece, Turkey and the Middle East.

1991

Low-capacity digital radio link systems were brought into service to enable the transmission of exchanges in rural areas.

1994

Türk Telekom was established on June 30, 1994.

1995

PTT's telecommunication and postal services divisions were separated on April 24, 1995. All personnel, assets and liabilities related to the telecommunications services of PTT were subsequently transferred to Türk Telekom then wholly owned by the Republic of Turkey Prime Ministry Undersecretariat of Treasury.

1996

  • A submarine Fiber Optic Cable System covering Turkey-Italy-Ukraine-Russia (ITUR) was bought into service.
  • The frame Relay service, which enables high speed data transfer over the TUPRAK network, was brought into service with the addition of passport modules.
  • Turkey's National Internet Backbone network (TURNET) was brought into service.

April 1996

NO 7, a signaling system between exchanges that constitutes voice, data and image transmission infrastructure, said Hello to Turkey.

June 1996

Turkey's second satellite TURKSAT 1C was launched into space.

November 1996

The contract establishing Eurasiasat, a joint venture company formed by Türk Telecom and Aeorspatiale, producing Türksat satellites, was signed.

November 1996

The Frame Relay service, which enables high speed data transfer was brought into services

1997

  • The National Academic Web (ULAKNET) Project, connecting all universities in Turkey over the TURPAK network was realized.
  • KAFOS (Black Sea Fiber Optic System) and TBL (Land Fiber Optic System for Trans Balkan Link) were brought into operation.

April 1998

The GSM license was transferred to the two firms of Turkcell and Telsim for 25 years.

July 1999

The wireless telephony system (KTS), which provides wireless access to local exchanges, was brought into service.

2000

  • Our company started to provide services such as 115, 121, 122, 123, 126, 131, 163, etc., which had previously been given through an operator, over Interactive Voice Response.
  • Cable Internet applications commenced on Cable TV.

January 2000

The KİT (State Economic Enterprise) status of Türk Telekom was canceled pursuant to Law No. 4502 published in the Official Gazette of the Republic of Turkey No. 23948, and it became a joint stock company subject to the provisions of private law.

January 2001

Ordered for production by EURASIASAT, the joint venture formed by Türk Telekom and Alcatel, the TÜRKSAT 2A satellite was launched into space from Kourou in South America.

May 2001

CLIP (Calling Line Identification Presentation) and CLIR (Calling Line Identification Restriction) features were brought into service over fixed lines.

June 2001

The İLSİS Project was realized in order to enable Provincial Directorates of National Education to conduct their computing environment operations with internet access.

2002

Total Quality Management (TKY) pilot project applications commenced at Telekom's Yalova and Balıkesir Provincial Directorates.

February 2002

Our company became a member of International Telecommunications Union (ITU), and as a sector operator, a member of the following organizations; the ITU Radiocommunication Sector (ITU-R), the ITU Telecommunication Standardization Sector (ITU-T), and the ITU Telecommunication Development Sector (ITU-D).

March 2002

Implementation of the MERNİS Project developed to conduct population studies in the computing environment, and the infrastructure of which was provided by our Company, commenced.

October 2003

The first Metro Ethernet applications on a trial basis commenced.

December 2003

A joint project with the Ministry of National Education was begun to provide 42,500 schools with internet connection via an ADSL service.

2004

TT & TİM İletişim Hizmetleri A.Ş. was founded on February 19, 2004 through the merger of Türk Telekom's GSM Operator, Aycell, and İş-TİM.

The trade name TT & TİM İletişim Hizmetleri A.Ş was changed to Avea İletişim Hizmetleri A.Ş. on October 15, 2004.

2005

Türk Telekom's privatization was completed on November 14, 2005, with the transfer of 55% of Türk Telekom shares to Oger Joint Venture Group.

2006

Türk Telekom subsidiary TTNET was established on April 26, 2006, commencing operations on May 14 by obtaining an internet service provider license.

Türk Telekom increased its shareholding in Avea to 81.12% with the acquisition of 40.56% of the shares of İş-TİM for USD 500 million on September 15, 2006.

May 2008

15% of Türk Telekom shares were offered to the public and listed on the Istanbul Stock Exchange on May 15, 2008.

July 2009

Avea successfully commenced 3G services.

2010

Home Advantage tariff package was launched with advantageous offers and various call packages.

2011

Türk Telekom distributed TL 2.244 billion – its entire 2010 distributable profit – to shareholders in gross cash dividends on 30 May 2011, breaking an all-time record in the history of the Istanbul Stock Exchange.

Türk Telekom becomes Turkey's first telecommunications company to report its carbon emissions to the Carbon Disclosure Project (CDP).

2012

Türk Telekom increased its total shareholding in Avea to 89.99%.

2013

TTNET and Sobee, two wholly owned Türk Telekom subsidiaries, were merged with the transfer of Sobee's entire assets and business to TTNET.

Türk Telekom announced the restructuring of its executive leadership by combining the roles of Group CEO and General Manager into a single CEO position and removing the Group CFO position on December 10, 2013, upon a resolution adopted by the Board of Directors. Rami Aslan, who had been serving as Board Member of Türk Telekomünikasyon A.Ş. and as CEO of Oger Telecom, was appointed CEO of Türk Telekomünikasyon A.Ş. on December 10, 2013.

June 2014

Türk Telekom's overseas bond offering of up to USD 1 billion (or its equivalent in other foreign currency or Turkish Lira) with a maturity of up to 10 years was oversubscribed eight times by investors from a broad geography. The transaction was the largest corporate bond issue as well as the first-ever dual tranche debt offering across two maturities issued in Turkey. Conducted in two tranches with 5-year and 10-year maturities, the bond issuance was priced at a 30 bps spread to Turkish sovereign issues of similar tenors.

International credit rating agency Fitch Ratings assigned BBB- (investment grade) with a stable outlook to Türk Telekom's long-term foreign and local currency issuer default ratings and assigned BBB- to senior unsecured rating; and affirmed the rating afterwards as part of its routine review in 2014.

International credit rating agency Standard & Poor's (S&P) upgraded the corporate credit rating of Türk Telekom from BB+ to BBB- (investment grade), emphasizing that Türk Telekom had strengthened its liquidity position after a successful bond issue of USD 1 billion in June 2014.

TTNET A.Ş. purchased the Turkey media rights of UEFA Champions League and UEFA Europe League matches for three seasons beginning with the 2015-2016 season. It was announced that UEFA Champions League and UEFA Europe League football games would be broadcast via the Türk Telekom Group's digital TV broadcasting platform Tivibu. Pursuant to the contract signed with UEFA, an agreement was also reached with TRT, which became Türk Telekom's free-to-air partner.

2015

After signing a C&MA (Construction and Maintenance Agreement), Türk Telekom International joined the SEA-ME-WE-5 consortium as a full member. The SEA-ME-WE-5 submarine cable system is scheduled for launch at the end of 2016. The system will interconnect 18 nations with 20,000 kilometers of cable across three continents from Asia to Europe.

The Türk Telekom Group, the leading telecommunications and communication technology group in Turkey, celebrated its 175th anniversary with a spectacular reception held in Ankara with the attendance of President Recep Tayyip Erdoğan.

The transfer of the shares of Avea İletişim Hizmetleri A.Ş., which were held by the İş Bank Group, to Türk Telekomünikasyon A.Ş., was completed. With the share transfer, Türk Telekom became the sole owner of Avea İletişim Hizmetleri A.Ş.

Avea İletişim Hizmetleri A.Ş., has won the below packages in the IMT Service and Infrastructure Authorization Tender (publicly known as 4.5G Authorization Tender) held by the Information and Communication Technologies Authority (ICTA) on August 26, 2015.

  • 2x10 MHz bandwidth in 800 MHz frequency for Euro 380,000,000,
  • 2x7.6 MHz bandwidth in 900 MHz frequency for Euro 216,819,184,
  • 2x20 MHz bandwidth in 1800 MHz frequency for Euro 310,000,000,
  • 2x10 MHz bandwidth in 2600 MHz frequency for Euro 25,858,917,
  • 1x15 MHz bandwidth in 2600 MHz frequency for Euro 22,000,000.

As a result of this tender Avea,

  • In the 800 MHz frequency, owns the cleanest and the closest package to the 700 MHz frequency, which is an important element for 5G
  • In the 900 MHz frequency, moved out of a disadvantageous position
  • In the 1800 MHz frequency, has the widest capacity, which is the most important frequency for 4.5G
  • Holds 175 MHz of total bandwith.
  • Has the highest MHz per user.

Total spectrum fee is Euro 954,678,101.

Türk Telekom Group announced a partnership with Amazon Web Services (AWS) to provide the most advanced cloud computing solutions to Turkish companies. Under this partnership, all enterprises in Turkey, small or large, will be able to access virtual server services provided through the AWS global cloud network.

Türk Telekom Group, Turkey's leading integrated telecommunications company, joined the Bridge Alliance, the largest mobile alliance of the leading mobile operators in the Asia-Pacific region. The Türk Telekom Group is the first company to represent Turkey within the Bridge Alliance, which has a combined customer base of over 700 million customers.

Türk Telekom Group introduced its first smart phone "TT175".

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