Patent ID: 11881961
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 17:
18. A communication system, comprising a first core network element and a second core network element,
wherein the first core network element comprises a processor and a memory, wherein the memory is configured to store computer program instructions, which when executed by the processor, cause the communication apparatus to:
receive a first message from a second core network element, wherein the first message comprises identification information of a first terminal and first identification information of a session, and the session indicated by the first identification information is for transmitting data for the first terminal through a second terminal;
obtain based on the identification information of the first terminal, terminal context information corresponding to the session; and
send a second message to the second core network element, wherein the second message comprises the terminal context information corresponding to the session.