GENEVA, May 17 -- E-SURFING VISION TECHNOLOGY CO., LTD. (Unit 1, Building 1, Zhejiang Innovation Park, China Telecom, No. 8, Xiqin Street, Wuchang Street, Yuhang DistrictHangzhou, Zhejiang 311100), 天翼视联科技有限公司 (中国浙江省杭州市余杭区五常街道溪沁街8号中国电信浙江创新园一号楼一单元) filed a patent application (PCT/CN2024/128365) for "INTERCOM VOICE TRANSMISSION METHOD AND APPARATUS FOR SURVEILLANCE DEVICE" on Oct 30, 2024. With publication no. WO/2025/098213, the details rel...