HikVision Camera Logging me out when accessed from a different IP

Hello! I've been tasked with making the cameras at a business quicker, to do this I've obtained a GSM router. When connecting to the camera through the business internet the camera works fine with a dyndns address, however, when I access from the GSM router it will allow me to log in and imediately after log me out.

The camera is not local and the appropriate ports have been forwarded.

I read somewhere that it might be a DNS issue, which was correct, since whenever I did a nslookup for the...

HikVision Camera Logging me out when accessed from a different IP