SYNCRONIZATION OF CALL STATE OF NETWORK COMPONENTS AND MOBILE DEVICE WHEN TRANSFERRING SESSIONS Russian patent published in 2017 - IPC H04W36/00 

FIELD: radio engineering, communication.

SUBSTANCE: mobile device (200) is performed to connect to a network (300) via the first radio access technology (310) and second radio access technology (320). Communication networking (300) directs an invitation to call to the called user (400). The call is initiated by the first radio access technology (310) from the mobile device (200). The communication network (300) additionally sends the first message corresponding to the response of the called user (400) to the mobile device (200). The network component (340) initiates the transfer of the call session, the mobile device (200) from the first radio access technology (310) to the second radio access technology (320). The first call state is set in accordance with the response of the called user (400). The information indicating the second call state is received from the mobile device (200), and the second message for the change of the second call status in accordance with the response is provided to the mobile device (200) when the first and second call state are not negotiated.

EFFECT: provision of transfer of mobile communication session.

20 cl, 11 dwg