Question:
How to set up remote viewing connecting to GV-NVR? Port Forwarding
Solution:
Part 1 ( Command Prompt / Enable webcam / IP address setup):
https://www.youtube.com/watch?v=RsbjEgKXQYE
Part 2 ( Port Forwarding ):
https://www.youtube.com/watch?v=lg-YHyfz0yI
Router's Port-Forwatding instruction in General
https://portforward.com/router.htm
Reference:
[ HQ - 201708117003 ] GV-NVR, cannot access cameras remotely from mobile devices