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:
Oct. 17, 2023
Filed:
Jan. 31, 2019
Huawei Technologies Co., Ltd., Guangdong, CN;
HUAWEI TECHNOLOGIES CO., LTD., Guangdong, CN;
Abstract
Embodiments of the invention discloses an emergency call method and a user terminal. The method includes: obtaining a home public land mobile network (HPLMN) and an equivalent HPLMN (EHPLMN) from a SIM card of a user terminal; receiving an emergency call operation of a user; receiving, in response to the emergency call operation, a public land mobile network (PLMN) list broadcast by an access network device, which is in a multi-operator core network (MOCN), and the PLMN list includes a plurality of PLMNs that share the access network device; when the PLMN list includes the HPLMN or the EHPLMN, determining that the HPLMN or the EHPLMN is an optimal PLMN; and making an emergency call through a core network of the optimal PLMN. Thus, an emergency call center can obtain a phone number of the user terminal.