... SDP/TFTP/Bridge/NAT/SNTP/IEEE 802.1p/Q;IP Address Assignment:Static PPPoE DHCP ClientVoice code:ITU-T G. ... KeyboardUpgrade Online:Support TFTP upgradeDisplay:LCD display,display 16 Telephone Number, Clock, back lightCase:12 Dialing Keyback light,12 function ... free talking, Volume adjusting, Ringing tone selection, Call ID, Phone book, Missing incoming call, Incoming call, Outing call.failed outing ...