The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 29, 2023
Filed:
Apr. 08, 2021
Huawei Technologies Co., Ltd., Shenzhen, CN;
Yuan Wang, Shanghai, CN;
Zhongping Chen, Shanghai, CN;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
A session establishment method includes receiving, by a control device, first request information, where the first request information is used to indicate that a first terminal device requests to access a group communication service, determining a first terminal device group to which the first terminal device belongs, determining a target forwarding device that serves the first terminal device group, where the target forwarding device is a forwarding device capable of supporting a group communication service, and controlling the first terminal device to establish a session with the target forwarding device, to enable terminal devices in a same group to establish sessions with a same forwarding device such that group service access between the terminal devices in the group can be completed by using the same forwarding device.