Live£º
rtsp://172.16.38.200:554/chID=2&streamType=sub&linkType=tcp

chID : Channel name
sub: Substream,  main: Mainstream

Playback£º
rtsp://172.16.24.99:554/chID=2&date=2016-06-20&time=06:00:00&timelen=100

date=2016-06-20&time=06:00:00 : Start time
timelen : video length