... 2-way audio)SystemOperating System Embedded Linux OSSATA DevicesMax. 7 x SATA Devices(HDDx7, HDDx6 + eSATAx1, HDDx5 + ... SMTP, HTTP, DHCP, PPPoE(ADSL), NTP, DDNSApplication Windows XP/VISTA/7, Mac OS XRemote SoftwareiWatch DVR, IE BrowserAccount1 Admin ... + 8 UsersCMSCMS for Windows XP, Windows Vista, Windows 7Mobile DeviceWindows ...