I haven't found a solution how to view live video through a web interface.
I tried all combination with Win XP SP2/SP3, IE6/IE8, Framework 2.0, 3.0, 3.5, 4.0, but it did not help.
Always got the same error “Failed to setup DirectShow Filter Graph”
But I found another solution using VLC player.
You need use the following link:
rtsp://your_IP_address:554/StreamingSetting?version=1.0&action=login&userName=your_user&password=your_password&getRTSPStream&ChannelID=1&ChannelName=Channel1