... monitoring;Suport multi-IP protocol, such asTCP/IP,UDP,RTP,RTSP,RTCP,HTTP,DNS,DDNS,DHCP,FTP,NTP,PPPOE,SMTP,UPNP;Support ... .711UImageMask settingMax 4 Zones selectableDual streamSupportEmail alarm SupportProtocolTCP/IP,UDP,RTP,RTSP,RTCP,HTTP,DNS,DDNS,DHCP,FTP,NTP,PPPOE,SMTP,UPNPONVIF ...