2) And whether RTSP is streaming in H.264? If GV-NVR/VLC can already connect to Sanyo VCC-HD2300 via RTSP then you can check in GV-NVR/VLC whether Sanyo VCC-HD2300 is streaming MPEG4, MJPEG or H.264 with RTSP.
Please note that IP decoder box only support 1280x720 resolution in quad (2x2) live view, so if you're using quad view (2x2) layout in IP decoder box then the streaming video resolution can not exceed 1280x720. For 1x1 layout single channel live view, IP decoder box support max. 5MP so this would not be an issue (since your Sanyo IP camera is only 4MP).
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