Cisco 6821 IP Phone - Corded - Corded - Wall Mountable - 2 x Total Line - VoIP - 2.5in LCD - 2 x Network (RJ-45) - PoE Ports

Electrical power and data are transmitted using a single cable to devices such as Access Points, IP cameras or IP phones Uses VoIP technology to transfer audio signals over the Internet while circumventing high toll charges by telephone companies