Cisco IP Phone 8821 – Cordless extension handset – Bluetooth interface – IEEE 802.11a/b/g/n/ac (Wi-Fi) – SIP – 6 lines

Cisco 8865 IP Phone – Wired/Wireless – Wall Mountable – Charcoal – VoIP – IEEE 802.11a/b/g/n/ac – Caller ID – SpeakerphoneEnhanced User Connect License – 2 x Network (RJ-45) – USB – PoE Ports – Color – SIP, SDP, RTP, DHCP, GARP, RTCP, PPDP, LLDP, LLDP-MED, SRTP, UDP Protocol(s)