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| Introduced | 11 November 2004 |
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| Website | congstar |
Congstar GmbH is a mobile network operator headquartered in Cologne, Germany.
The company is a subsidiary of Telekom Deutschland, and specializes in discount mobile phone service marketed to younger people.
In August 2014, Congstar's services had approximately 3.4 million users. [1]
In December 2019 the brand had over five million customers. [2]
T-Mobile is the brand name used by some of the mobile communications subsidiaries of the German telecommunications company Deutsche Telekom AG in the Czech Republic, Poland and the United States.
Deutsche Telekom AG is a partially state-owned German telecommunications company headquartered in Bonn and is the largest telecommunications provider in Europe by revenue. It was formed in 1995 when Deutsche Bundespost, a state monopoly at the time, was privatized. Since then, Deutsche Telekom has consistently featured among FortuneMagazine's top Global 500 companies by revenue, with its ranking as of 2023 at number 79. In 2023, the company was ranked 41st in the Forbes Global 2000. The company operates several subsidiaries worldwide, including the mobile communications brand T-Mobile. It is the world's fifth-largest telecommunications company and biggest in Europe by revenue.
Magyar Telekom Nyrt. is one of the leading Hungarian telecommunications service provider company. It is a subsidiary of Deutsche Telekom.
Virgin Mobile is a wireless communications brand used by seven independent brand-licensees worldwide. Virgin Mobile branded wireless communications services are available in the United Kingdom, Ireland, Canada, Colombia, Chile, Kuwait, Saudi Arabia, United Arab Emirates, Poland and Mexico. Virgin Mobile branded services used to be offered in Australia, France, Singapore, India, Qatar, South Africa and the United States.
Telekom Romania Mobile Communications S.A. is a mobile network company in Romania, wholly owned by OTE, which in turn is controlled by Deutsche Telekom, operating under Telekom brand. Telekom Romania Mobile had 3.5 million subscribers with 15% market share as of July 2021.
Tele2 AB is a provider of mobile and fixed connectivity, telephony, data network services, TV, streaming and global Internet of things services, amongst others, to consumers and enterprises. It is headquartered in Kista Science City, Stockholm, Sweden. It is a major mobile network operator in Sweden, Estonia, Latvia and Lithuania. The company initially founded Tele2 Russia, but later sold all its operations, later rebranding and changing the name to "t2".
Dialog Axiata PLC, is one of Sri Lanka's largest telecommunications service providers, and the country's largest mobile network operator with over 17 million subscribers which amounts to 57% of the Sri Lankan mobile market. Dialog is a subsidiary of Axiata Group Berhad which owns 73.75% controlling stake of the company, while Bharti Airtel owns 10.36%.
Wind Telecomunicazioni S.p.A., more commonly known as Wind, was an Italian telecommunications company of the VimpelCom Ltd. group, which offered mobile telephony services and, through Infostrada, also fixed-line telephony services, Internet and IPTV.
A1 Telekom Austria (A1, A eins) is the leading fixed and mobile network operator in Austria, with 5.4 million mobile and 2.3 million fixed-line customers. A1 Telekom Austria traces its origins to Austria's first GSM mobile phone network which began testing in 1992 and commercial operations in 1994, under the name Mobilkom Austria, then part of the Austrian state-owned PTT agency Post- und Telegraphenverwaltung (PTV, ÖPT) until it was split off into its own company in 1996. After Mobilkom's merger with A1 Telekom Austria Group in July 2010 it operates under the new name of A1 Telekom Austria.
Telekom Srbija a.d. Beograd is a Serbian state-owned telecommunications operator. It was founded in May 1997 as a joint-stock company, by spinning off the telecommunications business from PTT Srbija. In April 2015, Telekom Srbija started providing all services in Serbia under the mts brand.
Digi Communications N.V., also known as DIGI Group, is a Romanian telecommunications holding company, which also has businesses in Spain, Italy, Portugal and Belgium. The firm has current statutory seat in the Netherlands and headquarters of effective management in Romania. Digi was founded by Zoltán Teszári, who is the majority shareholder, and has been listed on the Bucharest Stock Exchange since May 16, 2017.
The prevalent means of connecting to the Internet in Germany is DSL, introduced by Deutsche Telekom in 1999. Other technologies such as Cable, FTTH and FTTB (fiber), Satellite, UMTS/HSDPA (mobile) and LTE are available as alternatives.
Vodafone GmbH is a telecommunications operator in Germany owned by Vodafone Group Plc and headquartered in Düsseldorf. It provides mobile phone, LTE, 5G, cable internet, landlines, cable TV, and IPTV services. As of the third quarter of 2021, Vodafone GmbH has more than 31 million mobile customers in Germany, making it the third-largest provider of mobile phone services in Germany. The company's headquarters are in the suburb of Heerdt in Düsseldorf, with regional offices throughout Germany. Vodafone Germany's main competitors are 1&1 Mobilfunk, Telekom Deutschland and Telefónica Germany.
Aldi Talk, MEDIONmobile, ALDImobile, Aldi Suisse Mobile and HoT Hofer Telekom are brands of Aldi which are used as mobile virtual network operators in different countries.
Hutchison 3G Enterprises S.A.R.L., commonly known as Hutchison 3G and trading as 3 (Three), is the owner of a brand name that operates several mobile phone networks and broadband Internet providers in Hong Kong, Macau, Austria, Denmark, Indonesia, Ireland, Italy, Sweden, and the United Kingdom.
T-Mobile US, Inc. is an American wireless network operator headquartered in Bellevue, Washington. Its largest shareholder is Deutsche Telekom, a company that operates telecommunications networks in several other countries. T-Mobile is the second largest wireless carrier in the United States, with 127.5 million subscribers as of September 30, 2024.
1&1 AG is a German telecommunications service and landline and mobile telecommunications provider headquartered in Montabaur, Rhineland-Palatinate and listed on the TecDAX. Since 2017, the majority of the company has belonged to United Internet.
T-Mobile Polska S.A. is a Polish mobile phone network operator. The company was formerly named Polska Telefonia Cyfrowa and operated under the name Era, until being rebranded as T-Mobile on 5 June 2011. As in other European countries, the company operates a GSM network. Following a decade-long ownership dispute with the French Vivendi corporation, the company has been wholly owned by the German telecommunications provider Deutsche Telekom since 2010.
Telekom Deutschland GmbH is a German telecommunications company owned by Deutsche Telekom. Telekom offers landline phone, broadband, IPTV and mobile telephony services. It took its current name after Deutsche Telekom's German consumer fixed-line unit T-Home was merged into T-Mobile Deutschland.
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