GENEVA, July 6 -- CHINA MOBILE COMMUNICATION CO., LTD RESEARCH INSTITUTE filed a patent application (CN2025/143793) for “IMS VOICE CALL METHOD AND SYSTEM, MEDIUM AND PRODUCT”. With publication no. WO/2026/138660, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: H04L 65/1016
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
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