Features:
*Management of multiple DVRs
*Remote access to multiple DVRs(up to 36 DVRs)
*Remote access to DVR settings and recorded data
*Relay / Images / PTZ controls including preset and tour
*Bandwidth control
*Multi search / Audio Playback
*Event view and search
*Two way voice communication
*Communication protocol : PSTN, DSL, ISDN, and TCP/IP