IP PHONE CISCO CP-7821-K9 Refurbished

Screen : 396 x 162 pixel
Lines : 2
Networking : 10/100 Base T Ethernet connections
Voice Codecs : G.711 (A-law and ?-law), G.722.2, G.722, G.729ab, ILBC, iSAC, OPUS
Network Features : IEEE 802.3, DHCP. RFC 2131
Signaling protocol support : SIP protocol support
Features : Configurable supplementary services soft keys
Power Supply : N/A
Dimensions : N/A
Weight : N/A