The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 02, 2025
Filed:
Jun. 01, 2020
Jrd Communication (Shenzhen) Ltd., Guangdong, CN;
Mourong Nie, Guangdong, CN;
JRD COMMUNICATION (SHENZHEN) LTD., Guangdong, CN;
Abstract
A direct connection call method includes: receiving an IP address of a first terminal by a core network device; transmitting the IP address of the first terminal to a second terminal by the core network device; receiving an IP address of the second terminal by the core network device; and transmitting the IP address of the second terminal to the first terminal by the core network device; wherein the core network device is configured to exchange the IP addresses of the first terminal and the second terminal for establishing a direct connection data link between the first terminal and the second terminal to transmit call voice data packets. A core network device and a non-transitory storage medium are also provided.