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. 25, 2026
Filed:
Apr. 28, 2023
Huawei Technologies Co., Ltd., Shenzhen, CN;
Yishan Xu, Shanghai, CN;
Hualin Zhu, Shanghai, CN;
Shufeng Shi, Xi'an, CN;
Haoren Zhu, Shanghai, CN;
Huawei Technologies Co., LTD., Shenzhen, CN;
Abstract
Example communication methods and apparatuses are provided. One example method includes receiving, by a session management network element, first information from user equipment, where the first information indicates a target IP multimedia subsystem (IMS) network to which the user equipment requests to connect, the target IMS network is one of a plurality of IMS networks, and the target IMS network is provided by a target service provider. The session management network element determines first call information based on the first information, where the first call information indicates a target proxy call network element, and the first call information is for establishing a connection between the user equipment and the target IMS network. The session management network element sends the first call information to the user equipment.