... ItemHA6966TI(LCD)-30(IP)Screengrayscale LCD with background light16*2 characterLanguage EnglishLine1Function Keys6 Navigation keys (Arrow button, OK ... (multiplex up and down keys)Hands-freeMuteHeadsetMessageMenuHoldRedialConferenceTransferVoIP ProtocolSIP 2.0Network ProtocolHTTP,BOOTP,FTP,TFTP,IEEE 802.1Q,* ... ,Jiffer Buffer,VAD,CNG,G.168 (32ms)Network 2×RJ45 10/100M Ethernet Interfaces (LAN/PC)IP ...