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In some cases, a SIM-locked handset is sold at a substantially lower price than an unlocked one, because the service provider expects income through its service. SIM locks are employed on cheaper (pay-as-you-go) handsets, while discounts on more expensive handsets require a subscription that provides guaranteed income. Unlocked handsets have a ...
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.
Local number portability (LNP) for fixed lines, and full mobile number portability (FMNP) for mobile phone lines, refers to the ability of a "customer of record" of an existing fixed-line or mobile telephone number assigned by a local exchange carrier (LEC) to reassign the number to another carrier ("service provider portability"), move it to another location ("geographic portability"), or ...
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The user sends a request to the network via USSD, and the network replies with an acknowledgement of receipt: "Thank you, your message is being processed. A message will be sent to your phone." Subsequently, one or more mobile terminated SMS messages communicate the status and/or results of the initial request. [5]
A PAC is valid for a period of 30 calendar days from the day of issue, and the customer's request must be submitted to their new service provider within that time. A number can then be transferred between 1 and 32 calendar days from the date the PAC is issued. Some mobile phone companies can charge a fee to move the customer's number.
Airtel had also rolled out its Voice over LTE (VoLTE) technology across all Indian telecom circles. [6] It is the second largest mobile network operator in India and the second largest mobile network operator in the world. [4] Airtel was named India's 2nd most valuable brand in the first ever Brandz ranking by Millward Brown and WPP plc. [7]
In telecommunication, a public land mobile network (PLMN) is a combination of wireless communication services offered by a specific operator in a specific country. [1] [2] A PLMN typically consists of several cellular technologies like GSM/2G, UMTS/3G, LTE/4G, NR/5G, offered by a single operator within a given country, often referred to as a cellular network.