Type:Video Phone Class name:V200 Video IP Telephone Operating System:Android 5.1 Display:10.1'',1280x800, IPS multi touch screen WLAN:2.4G, IEEE802.11b/g/n Trunk interface:Support SIP2.0, IMS-SIP Network protocol:TCP/IP,SIP,SDP,UDP,RTP,RTCP,DHCP,DNS,HTTP,HTTPS,SNTP,XML,TR069 Audio codec:G.711a, G.711u, G.729, G.722, iLBC, SILK, OPUS Telephony features:Call Hold,Call Forward,Three-Way Calling,Call Reject,Speed Dial Customized applications:SDK/API for customer application development Dimensions (mm):300 mm (W) x200mm (D) x 72 mm (H) Show More