TERMINAL DEVICE, AMF, SMF, REFERENCE NETWORK DEVICE AND COMMUNICATION MANAGEMENT METHOD Russian patent published in 2021 - IPC H04W76/20 H04W80/10 H04W88/14 

FIELD: mobile communications.

SUBSTANCE: invention relates to the field of mobile communications. This result is achieved by the fact that the communication system provides a procedure for moving the session binding corresponding to the mode associated with the continuity of the preferred session, in which the first identification information is information to indicate the need to re-create the PDU session, the second identification information is the identification information of the PDU session associated with the PDU session in mode 2 SSC.

EFFECT: ensuring the continuity of the communication session.

14 cl, 19 dwg