IP PHONE CISCO WIRELESS 8821 WITH BATT NO CHARGER NO MIC GRADE B CASE Refurbished

Screen : 2.4-in. (6-cm) color display with 240 x 320 pixel resolution
Lines : 6
Networking : IEEE 802.11a/b/g/n/ac (Wi-Fi)
Voice Codecs : G.722, G.729a, G.729ab, G.711u, G.711a, iLBC and Internet Speech Audio Codec (iSAC)
Network Features : SIP
Signaling protocol support : Yes
Features : Wireless Interface Provided (Bluetooth), Caller ID, Call Waiting, Call Forwarding, Call Hold, Conference Call Capability, Speakerphone, Volume Control, Indicators, Intercom
Power Supply : N/A
Dimensions : 13.2 x 5.6 x 1.7 cm
Weight : 163 g