EMERGENCY CALLING METHOD AND USER TERMINAL

Embodiments of the present invention disclose an emergency call method and a user terminal. The method includes: obtaining an HPLMN and an EHPLMN from a subscriber identification module SIM card of a user terminal; receiving an emergency call operation of a user; receiving, in response to the emerge...

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Bibliographic Details
Main Authors MENG, Xuanjun, SHI, Na, TANG, Chao, WEI, Hongkang
Format Patent
LanguageEnglish
French
German
Published 13.10.2021
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
WIRELESS COMMUNICATIONS NETWORKS
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Summary:Embodiments of the present invention disclose an emergency call method and a user terminal. The method includes: obtaining an HPLMN and an EHPLMN from a subscriber identification module SIM card of a user terminal; receiving an emergency call operation of a user; receiving, in response to the emergency call operation of the user, a public land mobile network PLMN list that is broadcast by an access network device, where the access network device is an access network device 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 in the PLMN list is an optimal PLMN; and making an emergency call through a core network of the optimal PLMN. According to the method described in the first aspect, an emergency call center can successfully obtain a phone number of the user terminal.
Bibliography:Application Number: EP20190913906