US Patent Issued to VIVO MOBILE COMMUNICATION on June 30 for "Voice call method and user equipment" (Chinese Inventor)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,724, issued on June 30, was assigned to VIVO MOBILE COMMUNICATION Co. LTD. (Dongguan, China).

"Voice call method and user equipment" was invented by Dengpin Yang (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A voice call method includes in a case that UE accesses a first network, receiving a registration reception message sent by a first network side device corresponding to a first network; based on the registration reception message, in a case that a predetermined condition is met, stopping using the first network and connecting to a second network; and sending a voice call request to a second network side device corresponding to ...