US Patent Issued to T-Mobile USA on July 14 for "Techniques for improved service call session restoration" (Washington Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,684,022, issued on July 14, was assigned to T-Mobile USA Inc. (Bellevue, Wash.).

"Techniques for improved service call session restoration" was invented by Khurram Ahmad Mirza (Bellevue, Wash.) and Madhuri Kotta (Bellevue, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques are described herein for providing improved service call session restoration. In embodiments, such techniques may comprise storing, at a home subscriber server (HSS), information about a proxy call session control function (P-CSCF) node. The HSS may then receive an indication that a first service call session control function (S-CSCF) node is unresponsive. Upon receiving ...