VANTAGE K155Avaya Vantage K155 IP Phone Corded Cordless Corded Cordless Bluetooth, Wi Fi Desktop VoIP IEEE 802. 11a b g n ac 2 x Network (RJ 45) PoE Ports VPN: 700513907 SKU: 9301ZT UPC: 9999999999999 Enjoy crystal clear voice calls traveled over the internet with the efficient VoIP technology Electrical power and data are transmitted using a single cable to devices such as Access Points, IP cameras or IP phones