SVC500-1080: NEW HD 1080 codec, support Skype for Business, Aver PTZ HD camera 1080, 18x Total Zoom, units HD mic array (1 mic), P+C H.239, RTMP for live video streaming, Snapshot Sharing, 2nd monitor, Multipoint 6 sites (upgrade to 16 sites), Recording USB, Eng rmt.Cables set. Maintenance 1 year SVC500 series.