US Patent Issued to VIVO MOBILE COMMUNICATION on Sept. 8 for "Voice service switching method and apparatus and user equipment" (Chinese Inventor)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,732,873, issued on Sept. 8, was assigned to VIVO MOBILE COMMUNICATION Co. LTD. (Dongguan, China).

"Voice service switching method and apparatus and user equipment" was invented by Yuanze Mao (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application discloses a voice service switching method and apparatus, and user equipment. The voice service switching method includes: when the second SIM card executes a first voice service, sending a first switching report message to a network side device, where the first switching report message includes first network environment information; receiving a first switching command message, where th...