Phone Features: IEEE 802.11a/b/g/n/ac (Wi-Fi)
IP Telephony: Multiple VoIP protocol support, integrated Ethernet switch
Display: LCD display – color
Miscellaneous: Headset jack / RJ-9
Cisco IP Phone 8861 – With Multiplatform Phone Firmware – VoIP phone – IEEE 802.11a/b/g/n/ac (Wi-Fi) – SIP, RTCP, RTP, SRTP, SDP – charcoal