Patent ID: 11877326
Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 4:
5. The method according to claim 1, wherein the network device is a core network entity, the data packet carries at least one piece of information of: an identity of the first session connection, address information of the first session connection, identification information of the first terminal device and identification information of the second terminal device, and the data packet is sent to the network device through the control plane, and
wherein sending, by the network device, the data packet to the second terminal device through the control plane or the user plane in the 3GPP network comprises:
determining a next hop node of the data packet by the network device based on the at least one piece of information; and
sending, by the network device, the data packet to the next hop node through the control plane, so that the data packet is sent to the second terminal device by the next hop node.