I haven't got any IPC-T5442T-ZEs yet but they are on the way. However I've got a few IPC-T5442TM-AS with FW V2.800.15OG004.0.R, Build Date: 2020-12-03.
Initially I set these cams as I used to set up my old 2MP Starligt cameras with a frame rate of 15 FPS and an I-frame rate of the same value...