Invention Grant
- Patent Title: Method and apparatus for avoiding circuit-switched call drop in mobile communications
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Application No.: US16366063Application Date: 2019-03-27
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Publication No.: US10660058B2Publication Date: 2020-05-19
- Inventor: Yu-Cheng Huang , Chien-Chun Huang-Fu , Marko Niemi
- Applicant: MediaTek Inc.
- Applicant Address: TW Hsin-Chu
- Assignee: MEDIATEK INC.
- Current Assignee: MEDIATEK INC.
- Current Assignee Address: TW Hsin-Chu
- Agency: Han IP PLLC
- Agent Andy M. Han
- Main IPC: H04W4/00
- IPC: H04W4/00 ; H04W60/06 ; H04W24/10 ; H04W60/02 ; H04W76/18 ; H04L12/66 ; H04W8/24 ; H04L12/00 ; H04W36/00

Abstract:
Various solutions for avoiding circuit-switched call drop with respect to user equipment and network apparatus in mobile communications are described. An apparatus transmits a non-access stratum (NAS) message in a NAS signaling connection. The apparatus receives a NAS response message. The apparatus initiates a timer to control the NAS signaling connection. The apparatus further receives a circuit-switched (CS) service notification. The apparatus then stops the timer and execute a CS service procedure.
Public/Granted literature
- US20190223133A1 Method And Apparatus For Avoiding Circuit-Switched Call Drop In Mobile Communications Public/Granted day:2019-07-18
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