Cisco 6821 IP Phone with Wall Mount & Desktop Stand - Business VoIP Office Telephone for Call Centers & Conference Rooms

Cisco 6821 IP Phone - Corded - Corded - Wall Mountable, Desktop - 2 x Total Line - VoIP - Speakerphone - 2 x Network (RJ-45) - PoE Ports - Monochrome - SIP, IPv4, IPv6, DHCP, SNTP, NAT, STUN, UDP, TCP, LLDP, TLS, ... Protocol(s)