The Universal Mobile Telecommunications System (UMTS) is a third generation mobile cellular system for networks based on the GSM standard. Developed and maintained by the 3GPP, UMTS is a component of the International Telecommunication Union IMT-2000 standard set and compares with the CDMA2000 standard set for networks based on the competing cdmaOne technology. UMTS uses wideband code-division multiple access (W-CDMA) radio access technology to offer greater spectral efficiency and bandwidth to mobile network operators.
Telecommunication in Serbia is an important economic sector, accounting for 4.7% of country's GDP in 2015.
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.
Celcom Axiata Berhad is the oldest mobile telecommunications provider in Malaysia. Celcom is a member of the Axiata group of companies. Celcom was merged with Digi to form CelcomDigi on 1 December 2022.
Yettel Hungary is the second largest mobile phone operator in Hungary. Yettel Hungary Ltd. was founded as Pannon GSM Telecommunications Ltd. in 1994.
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, only leasing the use of its brand name.
One Montenegro is a mobile phone operator in Montenegro.
Regulation of the telephone numbers in Serbia is under the responsibility of the Regulatory Agency of Electronic Communication and Mail Services (RATEL), independent regulatory authority. The country calling code of Serbia is +381. The country has an open telephone numbering plan, with most numbers consisting of a 2- or 3-digit calling code and a 6-7 digits of customer number.
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%, and the rest is held by the public.
América Móvil, S.A.B. de C.V. is a Mexican telecommunications corporation headquartered in Mexico City, Mexico. It is the 7th largest mobile network operator in the world in terms of equity subscribers, as well as one of the largest corporations in the world. América Móvil is a Forbes Global 2000 company. As of Q1, 2019, América Móvil had 277.4 million wireless subscribers, and 84.3 million fixed revenue generating units.
Yettel 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 continued to use the Telenor brand until 1 March 2022, when it was renamed to Yettel Bulgaria. In February 2024, the company was acquired by e& (Etisalat), and the merger was approved by Bulgaria's competition watchdog. However the branding of Yettel has not yet been changed.
Yettel Serbia is a Serbian mobile, fixed, internet and IPTV provider, owned by the Czech investment group PPF. It is headquartered in Belgrade. As of 2020, it is the second largest mobile telephony operator with market share of 36.98%.
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.
A1 Telekom Austria Group is a provider of a range of fixed-line, broadband Internet, multimedia services, data, and IT systems, wholesale as well as mobile payment services. It is a subsidiary of Mexican telecommunications conglomerate América Móvil since 2014, and its headquarters are in Vienna. The company operates subsidiaries in seven European countries: Austria, Belarus, Bulgaria, Croatia, North Macedonia, Serbia, and Slovenia. Its largest subsidiary is the Austrian telecommunications provider A1 Telekom Austria.
Društvo za telekomunikacije MTEL d.o.o. Podgorica, doing business as m:tel, is a telecommunications company in Montenegro. It is a 51–49% joint venture between Telekom Srbija and Telekom Srpske.
The Internet in Serbia is well developed. The Internet country code top-level domain (ccTLD) for Serbia is .rs and .срб. (Cyrillic)
VipOperator was a mobile network operator in North Macedonia and a member of the A1 Telekom Austria Group.
Vodafone Hungary is the third largest mobile operator in Hungary. It started operations in 1999 after securing the third GSM 900/1800 MHz licence of the country and it was the first provider operating in the DCS-1800 band in Hungary. Vodafone is the third largest mobile network operator of the country again. The operator had a share of ~27% of the market in Q2 2020. They controlled approx. 27% of the market in December 2019. Market share The full report about the number of subscribers is available on the company website.
Telecommunications in Croatia covers fixed and mobile telephones, radio, television, and the Internet.
€315.3 million (2021) [1] 