... for upgrade software2.Technical Features:ItemHA6966TI(LCD)-30(IP)Screengrayscale LCD with background light16*2 characterLanguage EnglishLine1Function Keys6 Navigation keys ... Network 2×RJ45 10/100M Ethernet Interfaces (LAN/PC)IP Assignment:static IP,DHCP,PPPoEDNS Client, VPN(L2TP), VLANSpeechHandle, Headset ... : “*” Sign means function has not been published yet. IP Phone with PSTN Port, POE function