FIELD: information technology.
SUBSTANCE: invention relates to network communication technologies. Device comprises: modem subsystem (2) configured to deploy Internet protocol multimedia subsystem services using session initiation protocol and comprising session initiation protocol stack (4) for exchanging session initiation protocol messages between internet protocol multimedia subsystem services on modem subsystem (2) and an external session initiation protocol proxy server, and application processing engine (5) configured to deploy Internet protocol multimedia subsystem services using session initiation protocol and comprising session initiation protocol stack (7) for exchanging session initiation protocol messages between Internet protocol multimedia subsystem services on application processing engine (5) and external session initiation protocol proxy server.
EFFECT: technical result is improved data transmission security.
14 cl, 10 dwg
