Type:Video ConferencingApplication:Video ConferenceVideo resolution:1920 x 1080Gatekeeper account and SIP account:SupportMulti-language:SupportBuilt-in:Microphone arraysWarranty:1 YearAudio technology:AEC, VAD, CNG, PLC, AJB, AGCVPN:Open VPNSIP and H.323:SupportVCS Phone:VCP40 Show More