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Three is the fourth-largest mobile network operator in the United Kingdom, with about 10.9 million subscribers as of November 2024. [5] The company was launched on 3 March 2003 as the UK's first commercial 100% 3G network. It provides 3G, 4G and 5G services through its own network infrastructure.
The basis for the 3G authentication mechanism, defined as a successor to CAVE-based authentication, AKA provides procedures for mutual authentication of the Mobile Station and serving system. The successful execution of AKA results in the establishment of a security association (i.e., set of security data) between the MS and serving system that ...
Mobile virtual network operators (MVNOs) in the United States lease wireless telephone and data service from the four major cellular carriers in the country—AT&T Mobility, Boost Mobile, T-Mobile US, and Verizon—and offer various levels of free and/or paid talk, text and data services to their customers.
Outside the coverage of its own 3G-network (UMTS/HSDPA/HSPA+) it relies on national roaming on the network of T-Mobile Austria [21] (before Mid-2012, the network of A1 was used for national roaming). 3 Austria is the first in Austria to offer its customers so called "HD Mobile TV" based on the H.264 encoding standard, and won IIR telcon awards ...
Note however that there is a distinction between a phone with mobile-broadband connectivity and a smart phone with a large display and so on—although according [24] to the ITU and informatandm.com the US has 321 million mobile subscriptions, including 256 million that are 3G or 4G, which is both 80% of the subscriber base and 80% of the US ...
SMARTY is a mobile telephone flanker brand operated by Three UK. [2] It aims to attract customers primarily looking for cheaper deals than those available direct from Three, by offering a monthly rolling SIM-only service, limited to online-only support.
Line2 is a Virtual PBX phone service that allows companies to develop and maintain multiple internal phone lines to handle multiple external calls. Line2 uses cloud computing to allow one phone call to go to shared receivers, such as cell phones or fax machines, depending on which is more appropriate. Line2 allows for such transfers without any ...
The W-CDMA air interface was accepted by the ITU as one of several air interfaces for the IMT-2000telecom initiative and by the ETSI as one of three air interfaces for the UMTS cellular network standard. NTT DoCoMo originally planned to launch the world's first 3G services, initially branded Frontier of Mobile Multimedia Access (FOMA), in May ...