Inventor
HOOKER WILLIAM MICHAEL
US22 patents
Patents
22 patentsUS9426833B2Aug 23, 2016
Systems and methods for emergency call route failover
T MOBILE USA INC19 citations92
US10244574B2Mar 26, 2019
Call setup timer triggered and terminated by different protocols
T MOBILE USA INC9 citations84
US10219171B2Feb 26, 2019
Systems and methods for emergency call route failover
T MOBILE USA INC4 citations83
US11641381B2May 2, 2023
Call setup timer triggered by network response
T MOBILE USA INC2 citations73
US10462643B1Oct 29, 2019
Call setup logic with emerg-request-non-100 timer
T MOBILE USA INC4 citations73
US11089156B1Aug 10, 2021
Testing emergency text services
T MOBILE USA INC2 citations72
US10873845B1Dec 22, 2020
Modernized messaging compatibility with interim text-to-911
T MOBILE USA INC4 citations72
US9967760B2May 8, 2018
Systems and methods for emergency call route failover
T MOBILE USA INC2 citations72
US11818791B2Nov 14, 2023
Text based 911 communication
T MOBILE USA INC2 citations70
US11272347B2Mar 8, 2022
Modernized messaging compatibility with interim text-to-911
T MOBILE USA INC0 citations62
US10382906B2Aug 13, 2019
Location identifiers in mobile messaging
T MOBILE USA INC1 citations62
US11877342B2Jan 16, 2024
Temporary assignment of emergency route back
T MOBILE USA INC0 citations59
US12284582B2Apr 22, 2025
Inaudibly notifying a caller of a status of an open-line call
T MOBILE USA INC0 citations52
US12200592B2Jan 14, 2025
Automatically identifying a call associated with a wireless telecommunication network as an open-line call
T MOBILE USA INC0 citations52
US10687195B2Jun 16, 2020
Call setup logic with emerg-request-non-100 timer
T MOBILE USA INC0 citations52
US10638534B2Apr 28, 2020
Call setup timer triggered and terminated by different protocols
T MOBILE USA INC0 citations52
US9826370B2Nov 21, 2017
Location identifiers in mobile messaging
T MOBILE USA INC0 citations52
US12167310B2Dec 10, 2024
Roaming device location determination for emergency communications
T MOBILE USA INC0 citations51
US11743704B2Aug 29, 2023
Emergency service fallback based on user equipment capability
T MOBILE USA INC0 citations51
US10716018B2Jul 14, 2020
Systems and methods for emergency call route failover
T MOBILE USA INC0 citations51
US10602384B2Mar 24, 2020
Systems and methods for emergency call route failover
T MOBILE USA INC0 citations51
US9232380B2Jan 5, 2016
Emergency call mode preference in wireless communication networks
T MOBILE USA INC0 citations49