... is able to real-time transport by network , and support network transport protocol TCP,UDP,RTP,RTMP,HTTP etc. ... , able to proceed capsulation by TS stream and FLV2.Support PTZ for setting and calling preset position, cruise and ... input/output, audio alarm4.Support duplex talk, and support unidirectional broadcasting5. Support PAL/NTSC6. Support POE,OSD,OVERLAY,MOTION-DETEC7.Support TCP/UDP/RTP/RTMP ...