公开(公告)号：US20210297840A1

公开(公告)日：2021-09-23

申请号：US17261813

申请日：2019-08-12

Applicant: Huawei Technologies Co., Ltd.

Inventor： Ming DING ,  Fenghui DOU ,  Jie WU

IPC: H04W4/90 ,  H04W4/02 ,  H04W76/50

Abstract: This application provides a method and an apparatus for making an emergency call. The method includes: obtaining location information of UE; determining, based on the local information, whether the UE is located in a home country of an HPLMN of the UE; and when the UE is located in the home country of the HPLMN, if a predetermined condition is satisfied, initiating a VoWiFi emergency call by using an IMS APN of the HPLMN, where the predetermined condition includes: the UE has completed IMS registration, and a PLMN on which the UE camps includes no emergency APN. According to the method and apparatus for making an emergency call provided in this application, a VoWiFi emergency call success rate can be increased to some extent.