To get your EZVIZ camera openable via SONOFF NSPanel Pro, you have to follow following articles:
Once you are in EZVIZ Studio and have opened Advanced settings, open and save ( apply ) settings w/o changes in all pages where RSTP is mentioned (https://www.reddit.com/r/tinycam/comments/13xxqhx/comment/ju7tdv1/?utm_source=share&utm_medium=web2x&context=3).