Telefónica, S.A. is a Spanish multinational telecommunications company headquartered in Madrid, Spain. It is one of the largest telephone operators and mobile network providers in the world. It provides fixed and mobile telephony, broadband and subscription television, operating in Europe and the Americas.
Telenor ASA is a Norwegian majority state-owned multinational telecommunications company headquartered at Fornebu in Bærum, close to Oslo. It is one of the world's largest mobile telecommunications companies with operations worldwide, but focused in Scandinavia and Asia. It has extensive broadband and TV distribution operations in four Nordic countries, and a 10-year-old research and business line for Machine-to-Machine technology. Telenor owns networks in 9 countries.
T-Mobile is the brand name used by the mobile communications subsidiaries of the German telecommunications company Deutsche Telekom AG. The brand is active in the Czech Republic, the Netherlands, Poland, and the United States.
Roaming is a wireless telecommunication term typically used with mobile devices, such as mobile phones. It refers to the mobile phone being used outside the range of its home network and connects to another available cell network.
O2 (typeset as O2) is a global brand name owned by the Spanish telecommunications company Telefónica. The company uses the O2 brand for its subsidiaries in the United Kingdom and Germany. Since 2018, it is also used as a secondary brand in Spain.
A mobile virtual network operator (MVNO) is a wireless communications services provider that does not own the wireless network infrastructure over which it provides services to its customers. An MVNO enters into a business agreement with a mobile network operator to obtain bulk access to network services at wholesale rates, then sets retail prices independently. An MVNO may use its own customer service, billing support systems, marketing, and sales personnel, or it could employ the services of a mobile virtual network enabler (MVNE).
BT Communications (Ireland) Limited is a telecommunications and internet company in Ireland. It is a subsidiary of BT Group plc.
The FreeMove alliance is a business alliance of mobile telecommunications companies based in Europe.
Telenor Montenegro is a mobile phone operator in Montenegro.
Telenor Bulgaria is the largest mobile network and the third largest fixed telecommunications company in Bulgaria. The company was founded under the name Cosmo Bulgaria Mobile in 2001 by OTE and operated under the brand name Globul until 2014. In 2013 it was bought by Telenor and changed its name. In August 2018, the company was acquired by PPF, a Czech private investment fund. The company continues to use the Telenor brand.
Eurotel is the name of a former mobile network, acquired and transformed into a branch of T-Mobile in Slovakia and O2 in the Czech republic.
O2 Czech Republic (operating under the O2 brand) is a major integrated operator in the Czech Republic. It is now operating more than six million lines, both fixed and mobile, making it one of the Czech Republic’s leading providers of fully converged services. O2 Czech Republic operates a fixed and mobile network including a 3rd generation network, CDMA (for data), UMTS and EDGE, enabling voice, data and video transmission. O2 Czech Republic is also a provider of ICT services.
Telenor Serbia is a Serbian mobile network operator, owned by the Czech investment group PPF and formerly a subsidiary of Telenor. It is headquartered in Belgrade, Serbia.
Total Access Communication Public Company Limited, commonly known as DTAC, is the third-largest GSM mobile phone provider in Thailand after AIS and True. DTAC is owned by Telenor both directly and indirectly, and both companies share the same logo. As of 31 December 2011, DTAC had 23.2 million subscribers with a market share of subscribers at around 30 percent. As of 2019, the company has 20.642 million mobile subscriptions and 3904 employees. It is listed on the Singapore Exchange and the Stock Exchange of Thailand.
The Bridge Alliance is a business alliance of 34 major mobile telecommunications companies in Asia, Australia, Africa and the Middle East. The alliance is built on seamless service connectivity and a suite of integrated value-added services, including IoT/M2M, Optimization and Enterprise Mobility, for all alliance members' subscribers while roaming on each other's networks. The concept is similar to that of the FreeMove alliance in Europe, with whom the Bridge Alliance has a partnership.
The Mobile Alliance Against Child Sexual Abuse Content was founded in 2008 by an international group of mobile operators within the GSM Association to work collectively on obstructing the use of the mobile environment by individuals or organisations wishing to consume or profit from child sexual abuse content.
3 or Three is a global brand name under which several UMTS-based mobile phone networks and broadband internet providers operate in Hong Kong, Macau, Austria, Denmark, Indonesia, Ireland, Italy, Sweden and the United Kingdom. The brand was founded in 2002 in Hong Kong. As of 2018, registered Three customers worldwide numbered over 130 million.
LuxGSM S.A., now known as POST, is a Luxembourgish mobile phone network operator. It has 250,000 subscribers, making it the largest network in Luxembourg. From 2004 until 2009, LuxGSM was the national partner of Vodafone, and its customers had access to Vodafone's network whilst roaming. However, the agreement ended in early 2009, with Tango replacing LuxGSM as the partner network for Luxembourg of Vodafone.
Three UK is a British telecommunications and internet service provider based in Maidenhead, England. It is a subsidiary of CK Hutchison Holdings, operating under the global Three brand. Three is the fourth-largest mobile network operator in the United Kingdom, with 13.3 million subscribers as of July 2020.
