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Vodafone Idea, in acronym Vi, is an Indian telecommunications company, headquartered in Mumbai and Gandhinagar. [ 7 ] [ 8 ] [ 9 ] It is an all-India integrated GSM operator offering mobile telephony services.
A SIM swap scam (also known as port-out scam, SIM splitting, [1] simjacking, and SIM swapping) [2] is a type of account takeover fraud that generally targets a weakness in two-factor authentication and two-step verification in which the second factor or step is a text message (SMS) or call placed to a mobile telephone.
A typical SIM card (mini-SIM with micro-SIM cutout) A SIM card or SIM (Subscriber Identity Module) 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 devices (such as mobile phones and laptops).
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Each active SIM card is considered a subscriber. [7] Wholesale customers include users of machine to machine networks and mobile virtual network operators that operate on the host network, but are managed by wholesale partners. Subscriber counts are sourced from each companies quarterly reports.
Pre-paid GSM SIM cards were launched in 1996 and worldwide GSM subscribers passed 100 million in 1998. [9] In 2000 the first commercial General Packet Radio Service (GPRS) services were launched and the first GPRS-compatible handsets became available for sale. In 2001, the first UMTS (W-CDMA) network was launched, a 3G technology that is not ...
MSISDN (/ ˈ ɛ m ɛ s aɪ ɛ s d iː ɛ n / MISS-den) is a number uniquely identifying a subscription in a Global System for Mobile communications or a Universal Mobile Telecommunications System mobile network.
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