... 30fps(NTSC), 32Kbps~3Mbps, CBR/VBR adjustableLOGO, character, time overlay in video systemFrequency: 8KHz, Bit wide: 16 Bit; Compression: G711A; ... IP, HTTP, ICMP, FTP, EMAIL, TELNET and so onbuilt-in Web server, user can control video server by IE directlywebsite ... lost, linkage alarm will occur, which can inform user on timeused in PTZ controlmulti-stage user password verification, multiusers are also ...