METHOD AND SYSTEM FOR PROVIDING SECURE COMMUNICATION USING CELLULAR NETWORK FOR MULTIPLE SPECIAL COMMUNICATION DEVICES

摘要

FIELD: information technology. ^ SUBSTANCE: method of providing secure communication for multiple special devices involves authentication of one or more first devices in a first network; authentication of one or more second devices in a second network; sending a group key to the authenticated first devices and to the authenticated second devices; establishment of a special network, at least through one of the authenticated first devices and at least one of the authenticated second devices using the group key; and data exchange within the special network at least between one of the authenticated first devices and at least one of thee authenticated second devices. ^ EFFECT: high security during communication of telephone devices of various service suppliers. ^ 10 cl, 5 dwg