FIELD: information technology.
SUBSTANCE: according to the present invention, the communication device includes a mobile station (10), packet transmission device (50) and an access point (70), which performs transmission between the mobile station (10) and packet transmission device (50). The access point (70) on the side of the cellular network sends a tunnel switching request to the second radio network zone in case of successful authentication between the mobile station and the second radio network and transfer of the mobile station from the first radio network zone to the second radio network zone.
EFFECT: secure connection.
2 cl, 8 dwg
