Set Transfer Protocol to TCP.
It possible connect VIA SSH  to inside PSH with restricted shell & try open console log.
Or connect to TTL2USB adapter inside to real console and get log, to see more.
Maybe it help, maybe not.
Try upgrade or downgrade your NVR firmware.
Do something 
		 
		
	 
hah! Trust me man, I am trying.
I tried all the protocols, same result, nothing.
Did you post a link when you said "see more"? If so, it didn't come through. 
It doesn't seem firmware related, as I had a LaView NVR before (Hik OEM), and my v3 RTSP didn't work on that NVR either, so it's something with Hik in general.
Here is a log of IPC info from the NVR via SSH. Chan 10 is the IPC in question.
# showNetIpcmInfo
s_DeviceDebug    [0][0][0][3528043][3528031][9509][9509][0][0][0]
s_StreamingDebug [0][0][0][0][0][0][0][0]
AlarmS: thPool: [alive

0) idle

0) max

0) items

0) timeout(0)]
RouterMode [FALSE]
  Id Chan IfName Ip

ort               User         Input Stream Online Transmode Mode
   6    5 eth0   192.168.254.6:8000    admin        1:1   2      Y Y    rtsp      TCP
   8    1 eth0   192.168.254.2:8000    admin        1:1   2      Y Y    rtsp      TCP
   9    2 eth0   192.168.254.3:8000    admin        1:1   2      Y Y    rtsp      TCP
  10    6 eth0   192.168.254.7:8000    admin        1:1   2      Y Y    rtsp      TCP
  11    3 eth0   192.168.254.4:8000    admin        1:1   2      Y Y    rtsp      TCP
  12    4 eth0   192.168.254.5:8000    admin        1:1   2      Y Y    rtsp      TCP
 255   10 eth1   192.168.1.93:554      !            1:1   1            Y       rtsp      TCP
 323    7 eth1   192.168.1.63:8554     !            1:1   1            Y       rtsp      TCP
 324    9 eth1   192.168.1.63:8554     admin        1:1   1      Y      rtsp      TCP
 325    8 eth1   192.168.1.63:8554     admin        1:1   1      Y      rtsp      TCP
Maybe it has something to do with eth1 and routing, hrmmmm. I know the Wyze cams have to talk back to Amazon, so it could be network related.