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A key technical aspect of Mobile Number Portability (MNP) involves the routing of calls or mobile messages (SMS, MMS) to a number once it has been ported.Various call routing implementations exist globally, but the International and European best practice employs a central database (CDB) of ported numbers.
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).
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.
One Hungary (formerly Vodafone Hungary until 1 January 2025) is a Hungarian telecommunications service provider. It started operations in 1999 as a mobile network operator after securing the third GSM 900/1800 MHz licence of the country and it was the first provider operating in the DCS-1800 band in Hungary.
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The company in its present form resulted from Vodafone's takeover of the German engineering group Mannesmann GmbH in 2000. On 8 December 1989, the West German Federal Ministry for Posts and Telecommunications (de; one of several predecessors of the present-day Bundesnetzagentur) awarded the second digital GSM-900 (also known as D-Netz (de; D-Network in Germany) network in Germany to Mannesmann ...
VodafoneZiggo Group B.V. is a Dutch joint venture between Vodafone Group Plc and Liberty Global Plc, announced in February 2016, [1] [2] [3] approved by the European Commission in August 2016 [4] and completed in December 2016.