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:
Jun. 26, 2018
Filed:
Apr. 14, 2016
Huawei Technologies Co., Ltd., Shenzhen, Guangdong, CN;
Wen Hu, Shanghai, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
The present invention discloses a method, including: when user equipment camps on a first network, sending, by the UE to a network device, a single-domain registration request needed when the network device performs mobility management on the UE. The single-domain registration request carries a first IE, and the first IE identifies that the UE has a CS domain voice capability. The UE is a single card dual standby terminal, the UE is currently in a standby state in both the first network and a second network, the first network supports a PS domain service, and the second network supports a CS domain service. If the UE receives a second IE fed back according to the single-domain registration request by the network device, exiting, by the UE, the standby state in the second network, where the second IE identifies that the first network supports CSFB.