Since there is no documentation on the API for non-Hikvision rebranded LaView NVRs, I decided to figure it out myself.
found in Port Configuration under Network settings
rtsp://{user}:{pass}@{ip}:{port}/ch{channel}/{stream}
{user}- Admin username{pass}- Admin password{ip}- NVR IP address{port}- RTSP port in Port Configuration{channel}- Camera channel{stream}- 0: Main stream, 1: Sub stream, 2: Mobile stream