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Description: All mobile network operators are connected within a system called the SS7 signaling network.nnThe SS7 transports data about subscribers, networking, voice calls, and SMS text messages between the carriers.nnReal-time context and status information about every mobile phone is stored in databases called “Home Location Registers”, which form the backbone of subscriber information for a mobile network.nn“HLR Lookups” is a technology to query home location registers and acquire live networkin
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