Hello, i really need help on this issue. i have 4 cameras installed. my iphone can see 3 cameras, my other pc at home can see all 4 cameras and work pc can only view 2 cameras. My pc at work shows me only 2 cameras but on the bottom, it is saying "num source 4" but i only see 2. They all have the same user id and password and i have checked and recheck.Can you kindly assist me? I thank you so much. jp