ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,513,508, issued on Dec. 30, was assigned to T-Mobile USA Inc. (Bellevue, Wash.).
"Virtual line registration system" was invented by Tanveer Akhtar (Bellevue, Wash.) and Sabuhi Kiran Zaifuddin (Redmond, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An improved core network that allows a UE to still initiate and/or receive communications via a native SIM line even if the registration of a virtual line fails is described herein. For example, the UE may include embedded virtual line settings that, when enabled, cause the UE to transmit a virtual line registration request to the core network. The core network can determine whether the UE is authorized...