CISCO 6861 PHONE WITH NA POWER ADAPTER FOR MPP SYSTEMSCisco 6861 IP Phone Corded Corded Cordless Wi Fi Wall Mountable Charcoal 4 x Total Line VoIP IEEE 802. 11n 1 x Network (RJ 45) VPN: CP 6861 3PW NA K9= SKU: 101LLG UPC: 889728223553 Enjoy superior voice communications while retaining the convenience and user friendliness over Internet Uses VoIP technology to transfer audio signals over the Internet while circumventing high toll charges by telephone companies