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VoIP telephone communication system
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LOCAL IP EVASION SYSTEM FOR MOBILE ROAMING WITHOUT CHANGE OF TELEPHONE CONFIGURATION
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COUNTERMEASURE SYSTEM FOR ROAMING PILOTAGE SYSTEMS
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Antispam mms system
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System for terminating calls to mobile numbers over IP without the cooperation of the mobile network
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Mobile system with two SIM cards
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Tariff call forwarding optimization system for mobile phone, has table of numbers of mailbox for phones, where subscriber profile is sent to register containing number of system as mailbox number during updating of subscriber location