I have 4 cams in my network, but not works over external wifi, in the dashboard all cams enabled, but at connect from ny iphone external the video not shows, another cams from another brand works...

Hello in my network have 4 cameras c100 c200 and c310, with my iphone connect to wifi and all works fine, but with external data plan not connect video, in my dashboard the 4 cams view and all...