Patent · US Active

Network handover method and session management network element

US11412430B2 · kind B2 · utility

1Cited by

1References

14Claims

0Family size

Assignee

Huawei Technologies Co., Ltd. · CN

Inventors

Weiwei Chong · Shanghai, CN
Xiaobo Wu · Lo Wu, CN

Key dates

Filing date	May 12, 2020
Grant date	Aug 9, 2022
Priority date	—
Expiry date	Jul 25, 2040

Classification

Technology area (CPC H)Electricity
CPC primaryH04W36/14
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

Embodiments of this application relate to the communications field and disclose a network handover method and a session management network element. The method includes: receiving, by a session management network element, first indication information and second indication information from an access management network element, wherein the first indication information is used to indicate that a terminal device is handed over from a first network to a second network to set up a voice service, and the second indication information is used to indicate that the terminal device needs to return to the first network after the voice service ends; and sending, by the session management network element, the first indication information and the second indication information to an access network device of the second network.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.