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

Claim 1:
2. The method according to claim 1, wherein a User Plane Function (UPF) of the first terminal device and the UPF of the second terminal device are a same first UPF, and the network device is the first UPF, and
wherein the data packet received by the network device carries first address information of a connection between the first terminal device and the first UPF in the first session connection, and
wherein sending, by the network device, the data packet to the second terminal device through the user plane within the 3GPP network by using the first session connection comprises:
determining, by the network device, second address information based on the first address information, wherein the second address information is address information of a connection between the second terminal device and the first UPF in the first session connection; and
encapsulating the second address information in the data packet and sending the data packet to the second terminal device by the network device.