Invention Grant
- Patent Title: Emergency services support for a device which does not have a valid subscription
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Application No.: US16322695Application Date: 2019-01-09
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Publication No.: US11277881B2Publication Date: 2022-03-15
- Inventor: Kundan Tiwari , Toshiyuki Tamura
- Applicant: NEC Corporation
- Applicant Address: JP Tokyo
- Assignee: NEC Corporation
- Current Assignee: NEC Corporation
- Current Assignee Address: JP Tokyo
- Priority: IN201811011621 20180328
- International Application: PCT/JP2019/000359 WO 20190109
- International Announcement: WO2019/187486 WO 20191003
- Main IPC: H04W76/50
- IPC: H04W76/50 ; H04L65/1016 ; H04W48/16 ; H04W48/18 ; H04W88/06
Abstract:
This disclosure is related to a procedure to provide emergency services support for a UE which does not have a valid subscription for the serving PLMN. This disclosure more specifically provides procedure to support IMS emergency call or eCall support for a UE which is in limited state on a E-UTRA cell is connected to both EPC and 5GCN.
Public/Granted literature
- US11553556B2 Emergency services support for a device which does not have a valid subscription Public/Granted day:2023-01-10
Information query
