Reduce outgoing traffic

My office has a very weak internet connection. How to reduce camera traffic? The watcher is in the cloud, and the cameras and streamer are in the office network. When users view cameras on the site, the stream is extracted from the streamer in the office. If I reduce the fps, will it help?

Hi, we have a great article dedicated to your case.
Please take a look at Efficient Video Surveillance: quality-infrastructure balance