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Türk Telekom has always been the major communication network in Turkey since 1840.

 

1994

February 23rd

Turkey met with GSM technology. GSM which knows no limit in communication was put into service firstly for its subscribers in Ankara, İstanbul and İzmir.

1995

April 24th

By separating the telecommunication and Postal services in PTT from each other, Türk Telekomünikasyon A.Ş. was founded.

1998

April 27th

GSM network was transfered to the firms Turkcell and Telsim for 25 years by giving licence.

1999

June

ADSL (Asymmetric Digital Subscriber Line) was put into service in order to provide high speed voice and image communication on

2000

Cable Internet applications were started on Cable TV.

2001

January 8th

Aycell Haberlesme ve Pazarlama Hizmetleri A.S. was founded.

March 21th

Iş-TIM Telekomünikasyon Services Inc. started to operate with the commercial name of ARIA

2004

February 19th

TT&TIM Communication Services Inc., establihed by the merger of Turk Telekom’s GSM Operator Aycell and İŞ-TİM, was officially founded.

October 15th

The commercial name of “TT&TIM Iletisim Hizmetleri A.S.” was changed as “Avea Iletisim Hizmetleri A.S.”

July 22nd

Türksat A.Ş. was established and started operating apart from Türk Telekom.

2005

November 14th

Türk Telekom’s privatization process was completed and %55 shares of Turk Telekom was sold to Oger Telecoms Joint Venture Group.

2006

September 15th

Türk Telekom acquired İŞ-TİM’s 40.56% share in Avea for USD 500 million and Turk Telekom’s share in Avea increased to 81.12%.

2008

May 15th

The initial public offering for 15% of Turk Telekom shares was completed and the shares started trading in the Istanbul Stock Exchange.

2009

July

Avea successfully started 3G services.