Hello,

There are some cases in which you are not able to open ports for your camera or recorder for remote viewing, however

with our Sibell line of procuts you are able to use the "NAT" feature which is a P2P server that will communite using the 

serial number of your device. Please take the following steps to utilize this great feature:

First enable NAT at the local interface: 

Video: 

How to configure in the mobile app ( Sibell Mobile ) 
Video: 

How to view over Internet Explorer: 
Video: 

How to view using Sibell NVMS software: 
Video: 

Thank you

We look forward to your comments.