ALEXANDRIA, Va., March 3 -- United States Patent no. 12,568,547, issued on March 3, was assigned to T-Mobile USA Inc. (Bellevue, Wash.).
"Removal of stale call state during call setup" was invented by Muhammad Tawhidur Rahman (Bellevue, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein is a user equipment (UE) configured to determine that a failure of a call setup is due to a stale call state on the UE and, in response, remove the stale call state."
The patent was filed on Oct. 13, 2023, under Application No. 18/486,642.
*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2...