ALEXANDRIA, Va., March 24 -- United States Patent no. 12,587,575, issued on March 24, was assigned to T-Mobile USA Inc. (Bellevue, Wash.).

"IMS recovery" was invented by Shujaur Mufti (Snoqualmie, Wash.), Saqib Badar (Bellevue, Wash.) and Khurram Ahmad Mirza (Bellevue, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Improved systems and method are described for addressing issues when an S-CSCF goes appears non-responsive or an application server appears non responsive. Profile recovery is executed through application servers which may allow additional options in efficiencies in maintain applications while recovering from the non-responsive devices."

The patent was filed on Oct. 6, 2023, under Applicati...