Nọvemba-18-2019 CPSE - China Public Security Expo (Shenzhen), nke nwere mpaghara ngosi kachasị ukwuu na ọtụtụ ndị ngosi, aghọwo otu n'ime ihe nchebe kachasị emetụta n'ụwa. Dnake, dị ka onye isi SIP intercom na onye na-eweta ihe ngwọta gam akporo, sonyere na ihe ngosi ...
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