... .4. Multiple function: Live, Recording, Playback, Backup & Remote access. 5. 1,2,4,8,16 channel simultaneous realtime playback ... Blackberry,Google Android.8. Powerful network software: built-in web server, multi-DVR client, MSS (mobile phone surveillance software) & ... , UDP, DHCP,DNS, IP Filter, PPPOE, Email, Alarm Server, uPNPRemote OperationMonitor, PTZ control, Playback, System setting, File download ...