HOME





International Mobile Subscriber Identity
The international mobile subscriber identity (IMSI; ) is a number that uniquely identifies every user of a cellular network. It is stored as a field and is sent by the mobile device to the network. It is also used for acquiring other details of the mobile in the home location register (HLR) or as locally copied in the visitor location register. To prevent eavesdroppers from identifying and tracking the subscriber on the radio interface, the IMSI is sent as rarely as possible and a randomly-generated TMSI is sent instead. The IMSI is used in ''any'' mobile network that interconnects with other networks. For GSM, UMTS and LTE networks, this number was provisioned in the SIM card and for cdmaOne and CDMA2000 networks, in the phone directly or in the R-UIM card (the CDMA equivalent of the SIM card). Both cards have been superseded by the UICC. An IMSI is usually presented as a 15-digit number but can be shorter. For example, MTN South Africa's old IMSIs that are still in us ...
[...More Info...]      
[...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  


ITU-T
The International Telecommunication Union Telecommunication Standardization Sector (ITU-T) is one of the three Sectors (branches) of the International Telecommunication Union (ITU). It is responsible for coordinating Standardization, standards for telecommunications and Information Communication Technology, such as X.509 for cybersecurity, Y.3172 and Y.3173 for machine learning, and H.264/MPEG-4 AVC for video compression, between its Member States, Private Sector Members, and Academia Members. The World Telecommunication Standardization Assembly (WTSA), the sector's governing conference, convenes every four years. ITU-T has a permanent Secretariat (administrative office), secretariat called the Telecommunication Standardization Bureau (TSB), which is based at the ITU headquarters in Geneva, Switzerland. The current director of the TSB is Seizo Onoe (of Japan), whose 4-year term commenced on 1 January 2023. Seizo Onoe succeeded Chaesub Lee of South Korea, who was director from 1 J ...
[...More Info...]      
[...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  


picture info

International Telecommunication Union
The International Telecommunication Union (ITU)In the other common languages of the ITU: * * is a list of specialized agencies of the United Nations, specialized agency of the United Nations responsible for many matters related to information and communications technology, information and communication technologies. It was established on 17 May 1865 as the International Telegraph Union, the first formal and permanent international organization. The organization significantly predates the UN, making it the oldest UN agency. Doreen Bogdan-Martin is the Secretary-General of ITU, the first woman to serve as its head. The ITU was initially aimed at helping connect Telegraphy, telegraphic networks between countries, with its mandate consistently broadening with the advent of new communications technologies; it adopted its current name in 1932 to reflect its expanded responsibilities over radio and the telephone. On 15 November 1947, the ITU entered into an agreement with the newly cr ...
[...More Info...]      
[...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  


Mobi (company)
mobi, Inc. is a wireless carrier founded in 2004 and based in Honolulu, Hawaiʻi. The company provides service on each of the major islands of Hawaiʻi, as well as on the mainland United States through roaming agreements with other carriers. mobi is an operator member of the GSMA, the Competitive Carriers Association (the CCA), the CTIA, and the Pacific Telecommunications Council (PTC). Since 2022, workers at the company are represented by and members of the Communications Workers of America (the CWA). The company reached a network sharing agreement with Verizon Wireless in 2015, with Sprint in 2019, and later announced a nationwide 5G partnership with T-Mobile in 2023, allowing it to continue to operate as a mobile network operator in Hawaiʻi but as a "full" mobile virtual network operator outside of its own footprint. In late 2022, mobi became one of the first wireless carriers in the world to migrate its mobile core to the public cloud, through a partnership wi ...
[...More Info...]      
[...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  


Advanced Info Service
Advanced Info Service Public Company Limited (AIS) is Thailand's largest GSM mobile phone operator with 39.87 million customers as of Q3 2016. Founded in April 1986, AIS started off as a computer rental business. In October 1990, it launched analog 900 MHz mobile phone services with a 20-year monopoly concession from the Telephone Organization of Thailand (TOT), and later became the first company allowed to operate on the GSM-900 frequency. It acquired Shinawatra Paging in June 1992. The company is controlled by the Intouch Holdings (formerly Shin Corporation), headed by Temasek Holdings, a Singapore government-owned agency. AIS listed on the Stock Exchange of Thailand on . As of 23 December 2011, Intouch holds 40.45 percent of the shares of the company and Singapore Telecommunications (also majority-held by Temasek) together with Thai Trust Fund and OCBC Nominees holds a 23.32 percent stake. Temasek bought the AIS brand through the 2006 acquisition of the Shin Corporation fro ...
[...More Info...]      
[...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  




Thailand
Thailand, officially the Kingdom of Thailand and historically known as Siam (the official name until 1939), is a country in Southeast Asia on the Mainland Southeast Asia, Indochinese Peninsula. With a population of almost 66 million, it spans . Thailand Template:Borders of Thailand, is bordered to the northwest by Myanmar, to the northeast and east by Laos, to the southeast by Cambodia, to the south by the Gulf of Thailand and Malaysia, and to the southwest by the Andaman Sea; it also shares maritime borders with Vietnam to the southeast and Indonesia and India to the southwest. Bangkok is the state capital and List of municipalities in Thailand#Largest cities by urban population, largest city. Tai peoples, Thai peoples migrated from southwestern China to mainland Southeast Asia from the 6th to 11th centuries. Greater India, Indianised kingdoms such as the Mon kingdoms, Mon, Khmer Empire, and Monarchies of Malaysia, Malay states ruled the region, competing with Thai states s ...
[...More Info...]      
[...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  


picture info

China Mobile
China Mobile is the trade name of both China Mobile Limited and its ultimate controlling shareholder, China Mobile Communications Group Co., Ltd., a Chinese State-owned enterprises of China, state-owned telecommunicationsStrait deals ''The Economist'', 7 May 2009 company. It provides mobile voice and multimedia services through its nationwide mobile telecommunications network across mainland China and Hong Kong. China Mobile is the List of mobile network operators of the Asia Pacific region#China (mainland), largest wireless carrier in China, with 945.50 million subscribers as of June 2021. China Mobile was ranked #25 in Forbes' Global 2000 in 2023. China Mobile Limited is listed on the Shanghai Stock Exchange and the Hong Kong Stock Exchange.Overview
China Mobile Limited Official Site
It is the List of mobile network operators, worl ...
[...More Info...]      
[...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  


picture info

China
China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after India, representing 17.4% of the world population. China spans the equivalent of five time zones and Borders of China, borders fourteen countries by land across an area of nearly , making it the list of countries and dependencies by area, third-largest country by land area. The country is divided into 33 Province-level divisions of China, province-level divisions: 22 provinces of China, provinces, 5 autonomous regions of China, autonomous regions, 4 direct-administered municipalities of China, municipalities, and 2 semi-autonomous special administrative regions. Beijing is the country's capital, while Shanghai is List of cities in China by population, its most populous city by urban area and largest financial center. Considered one of six ...
[...More Info...]      
[...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  


Celcom
Celcom Axiata Berhad (doing business as Celcom) was the oldest mobile telecommunications provider in Malaysia. Celcom was a member of the Axiata group of companies. Celcom was merged with Digi to form CelcomDigi on 1 December 2022. Being one of the very few companies in Malaysia to originally obtain a cellular phone license, it successfully introduced mobile telephony in Malaysia through its ART-900 (Automatic Radio Telephone) service, using first-generation (analogue) ETACS (Extended Total Access Communication System) specifications of the United Kingdom, a derivative of the US-AMPS (Advanced Mobile Phone System) technology. The ETACS ART-900 was started using the prefix "010". Celcom now uses the dialling prefix identifier of "013" and "019" and offer digital GSM (Groupe Speciale Mobile), an originally European standard, now largely a world standard for mobile communications. The original frequency band for GSM is 900 MHz and was soon extended to 1800 MHz to cat ...
[...More Info...]      
[...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  


Malaysia
Malaysia is a country in Southeast Asia. Featuring the Tanjung Piai, southernmost point of continental Eurasia, it is a federation, federal constitutional monarchy consisting of States and federal territories of Malaysia, 13 states and three federal territories, separated by the South China Sea into two regions: Peninsular Malaysia on the Mainland Southeast Asia, Indochinese Peninsula and East Malaysia on the island of Borneo. Peninsular Malaysia shares land and maritime Malaysia–Thailand border, borders with Thailand, as well as maritime borders with Singapore, Vietnam, and Indonesia; East Malaysia shares land borders with Brunei and Indonesia, and a maritime border with the Philippines and Vietnam. Kuala Lumpur is the country's national capital, List of cities and towns in Malaysia by population, largest city, and the seat of the Parliament of Malaysia, legislative branch of the Government of Malaysia, federal government, while Putrajaya is the federal administrative capi ...
[...More Info...]      
[...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  


picture info

Bangladesh
Bangladesh, officially the People's Republic of Bangladesh, is a country in South Asia. It is the List of countries and dependencies by population, eighth-most populous country in the world and among the List of countries and dependencies by population density, most densely populated with a population of over 171 million within an area of . Bangladesh shares land borders with India to the north, west, and east, and Myanmar to the southeast. It has a coastline along the Bay of Bengal to its south and is separated from Bhutan and Nepal by the Siliguri Corridor, and from China by the List of Indian states, Indian state of Sikkim to its north. Dhaka, the capital and list of cities and towns in Bangladesh, largest city, is the nation's political, financial, and cultural centre. Chittagong is the second-largest city and the busiest port of the country. The territory of modern Bangladesh was a stronghold of many List of Buddhist kingdoms and empires, Buddhist and List of Hindu empir ...
[...More Info...]      
[...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  


picture info

Sprint Corporation
Sprint Corporation was an American telecommunications company. Before being acquired by T-Mobile US on April 1, 2020, it was the fourth-largest mobile network operator in the United States, serving 54.3 million customers as of June 30, 2019. The company also offered wireless voice, messaging, and broadband services through its various subsidiaries under the Boost Mobile and Open Mobile brands and wholesale access to its wireless networks to mobile virtual network operators. In July 2013, majority ownership of the company was purchased by the Japanese telecommunications company SoftBank Group. Sprint used CDMA, EvDO and 4G LTE networks, and formerly operated iDEN, WiMAX, and 5G NR networks. Sprint was incorporated in Kansas. Sprint traced its origins to the Brown Telephone Company, which was founded in 1899 to bring telephone service to the rural area around Abilene, Kansas. In 2006, Sprint left the local landline telephone business and spun those assets off into a n ...
[...More Info...]      
[...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]