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Bharat Sanchar Nigam Limited is an Indian government enterprise and its history can be traced back to British India. The foundation of the telecommunications network in India was laid by the British sometime during the 19th century. During the British era, the first telegraph line was established between Calcutta and Diamond Harbour in 1850.
A typical SIM card (mini-SIM with micro-SIM cutout) T-Mobile nano-SIM card with NFC capabilities in the SIM tray of an iPhone 6s cell phone A SIM (Subscriber Identity Module) card is an integrated circuit (IC) intended to securely store an international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephone ...
jio.com. Reliance Jio Infocomm Limited (d/b/a Jio) is an Indian telecommunications company and a subsidiary of Jio Platforms, headquartered in Navi Mumbai, Maharashtra. It operates a national LTE network with coverage across all 22 telecom circles. Jio offers 5G, 4G and 4G+ services all over India.
LINE Corporation. 2. Ibon Mobile (Using FarEasTone) 4G: 2100 (B1)/1800 (B3)/2600 (B7)/700 (B28)/2600 (B38) MHz LTE. 7-Eleven. • All Taiwan's mobile network operators shut down 2G network in June 2017 • All Taiwan's mobile network operators shut down 3G network in June 2024.
Virgin Mobile India / T24 Mobile: 2009 [34] 2015 Merged into Tata Docomo [35] Singtel: 2009 2017 Acquired by Reliance Communications Videocon Telecom: 2010 [36] 2016 Shut down following sale of spectrum to Bharti Airtel [37] [38] MTS India: 2009 2017 Acquired by Reliance Communications [39] Aircel: 1999 2018 Bankrupt [40] Telenor India: 2006 2018
A prepaid mobile device, also known as a pay-as-you-go (PAYG), pay-as-you-talk, pay and go, go-phone, prepay, or burner phone, is a mobile device such as a phone for which credit is purchased in advance of service use. The purchased credit is used to pay for telecommunications services at the point the service is accessed or consumed.
A SIM lock, simlock, network lock, carrier lock or (master) subsidy lock is a technical restriction built into GSM and CDMA [1] mobile phones by mobile phone manufacturers for use by service providers to restrict the use of these phones to specific countries and/or networks. This is in contrast to a phone (retrospectively called SIM-free or ...
Prepaid telephone call. Prepaid telephone calls are a popular way of making telephone calls which allow the caller to control spending without making a commitment with the telephone company . Prepaid phone cards are provided by various telecom companies. When you purchase a prepaid phone card, you are paying for long distance connection time in ...