Short Message Service, commonly abbreviated as SMS, is a text messaging service component of most telephone, Internet and mobile device systems. It uses standardized communication protocols that let mobile phones exchange short text messages, typically transmitted over cellular networks.
Roaming is a wireless telecommunication term typically used with mobile devices, such as mobile phones. It refers to a mobile phone being used outside the range of its native network and connecting to another available cell network.
Celcom Axiata Berhad 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.
Unstructured Supplementary Service Data (USSD), sometimes referred to as "quick codes" or "feature codes", is a communications protocol used by GSM cellular telephones to communicate with the mobile network operator's computers. USSD can be used for WAP browsing, prepaid callback service, mobile-money services, location-based content services, menu-based information services, and as part of configuring the phone on the network. The service does not require a messaging app, and does not incur charges.
Q-Telecom was the fourth mobile telephony provider in Greece. It began operation in June 2002. As of 2008, it called itself "Q" and called its services "MyQ." The company provided GSM phone service, supported by LMDS and backbone networks, and called itself the only complete and integrated telecom provider in Greece. In May 2007, it merged with WIND Hellas, which was known at the time as TIM Hellas.
Paktel was a cellular network operator in Pakistan. It was a granted license to carry out cellular phone services in Pakistan and set up by Cable & Wireless. It carried out AMPS services until 2004 when the company switched to GSM technology.
Warid Telecom International was an Emirati telecommunications company that was active in Bangladesh, Georgia, Congo, Pakistan, and Uganda before its divestment.
Warid was a GSM, HSPA+ and LTE based mobile operator in Pakistan. It commenced commercial operations on 23 May 2005 by the Abu Dhabi Group.
Bharti Airtel Limited is an Indian multinational telecommunications company based in New Delhi. It operates in 18 countries across South Asia and Africa, as well as the Channel Islands. Currently, Airtel provides 5G, 4G and LTE Advanced services throughout India. Currently offered services include fixed-line broadband, and voice services depending upon the country of operation. Airtel had also rolled out its Voice over LTE (VoLTE) technology across all Indian telecom circles. It is the second largest mobile network operator in India and the second largest mobile network operator in the world. Airtel was named India's 2nd most valuable brand in the first ever Brandz ranking by Millward Brown and WPP plc.
Airtel is a telecom sub-brand of Robi Axiata in Bangladesh, which was managed by Bharti Airtel under the banner, 'Airtel Bangladesh Limited' until November 2016. In November 2016, Airtel merged its operations with Robi Axiata Limited. Following the merger, Airtel remained as a product brand of Robi Axiata Ltd. in Bangladesh. Since then, Robi Axiata is the brand licensing holder for Airtel brand in Bangladesh. Previously Airtel Bangladesh acquired Warid Bangladesh in 2010. After the merge, Robi Axiata marketed Airtel as "the #1 network of friends" targeting the youth.
The following telephone numbers in Kenya are destination codes for international calls terminating in Kenya as well as the procedures for dialling internationally from within Kenya. Until 1999, Kenya shared its telephone numbering plan with Tanzania and Uganda, meaning that to make calls between the three countries, subscribers needed only dial the area code and number, a legacy of the East African Post and Telecommunications Corporation (EAPTC) which was dissolved in 1977. As a result of the reorganisation of Tanzania's numbering plan in that year, direct dialling was discontinued, although calls between the three countries do not require international dialling, only a special three-digit code.
Vodacom Tanzania Limited is Tanzania's leading cellular network company. As of December 2020, Vodacom Tanzania had over 15.6 million customers and was the largest wireless telecommunications network in Tanzania. Vodacom Tanzania is the second telecom company in Africa, after Vodacom, to switch on its 3G High-Speed Downlink Packet Access (HSDPA) which was available only in Dar Es Salaam in early 2007.
Emtel Ltd. is a telecommunications company based in Ebene City, Mauritius. Launched on 29 May 1989 – Emtel Ltd became the first mobile telephony operator in the Southern Hemisphere. This took place under the aegis of The Currimjee Jeewanjee Group.
Videocon Telecommunications Limited, formerly Videocon Mobile Services, was an Indian cellular service provider that offered GSM mobile services in India under the brand name Videocon. The company was a subsidiary of the Videocon Group, and was headquartered at Gurgaon, Haryana. Videocon launched its services on 7 April 2010 in Mumbai. At its peak, Videocon held licences to provide mobile services in 18 out of 22 telecom circles of India. However, Videocon launched commercial services only in 11 out of the 18 circles it held licences in. Following the 2G spectrum case, the Supreme Court cancelled 122 licences issued by the Indian Government in 2008, including 21 licences belonging to Videocon.
ForgetMeNot Africa was created in 2009, when ForgetMeNot Software joined forces with investment company Lonzim Plc to create ForgetMeNot Africa, a subsidiary that's solely focused on providing unified messaging and financial services in Africa, and began deploying its technology on the continent that same year, in Lesotho. Lonzim Plc owns 51% of ForgetMeNot Africa and ForgetMeNot Software own the remainder of the company.
Airtel Africa plc is a British company that provides telecommunications and mobile money services in 14 countries in Africa, primarily in East, Central and West Africa. Airtel Africa is majority owned by the Indian telecommunications company Bharti Airtel. Airtel Africa offers mobile voice and data services as well as mobile money services both nationally and internationally. Airtel Nigeria is the most profitable unit of Airtel Africa, due to its cheap data plans in Nigeria. As of March 2019, Airtel had over 99 million subscribers in the continent. It is listed on the London Stock Exchange and is a constituent of the FTSE 100 Index.
3G mobile telephony was relatively slow to be adopted globally. In some instances, 3G networks do not use the same radio frequencies as 2G so mobile operators must build entirely new networks and license entirely new frequencies, especially so to achieve high data transmission rates. Other delays were due to the expenses of upgrading transmission hardware, especially for UMTS, whose deployment required the replacement of most broadcast towers. Due to these issues and difficulties with deployment, many carriers delayed acquisition of these updated capabilities.
Warid was a GSM based mobile network operator in Bangladesh. It entered into Bangladeshi telecommunication industry as the sixth mobile carrier. It commenced commercial operations on May 10, 2007.
Airtel Uganda Limited is a mobile communications and information technology services provider in Uganda. The company also offers mobile funds transfer and banking services known as Airtel Payments Bank. Airtel Uganda Limited is a subsidiary of Airtel Africa PLC.
