reset ip cam

Hi all! I am new here but I found lots of useful discussion in the forum. I have a problem with an IP-CAM POE powered (the camera is powered for sure since that once connected to the PoE router its leds goes red), that does not appear on the IPCAM original setup wizard niether in the router...

My internet provider recently replaced my router. I use static IP addresses for my cams so I can access them via phone. Yes, I've used Blue Iris for years but it has given me issues accessing via phone so I've used the app IP Cam Viewer along with the static addresses. Problem: Old router...