@David_Jung I just solved this problem. I activated UPnP in the network from external DDNS in the NVR and manually changed the MAPPING TYPE. And I changed the external port of HTTPS in NVR from...

@클라이브_A Hello. I tried your suggestion, but the result is the same as the questioner. But I think some of your suggestions are correct. Because, as you suggested, if you connect to the port of the...

Hello. I am a user who has built and operated a CCTV system through TP-LINK products in Korea. I think the functionality for language for alarms should be improved while operating your company's VMS....