Adjustable Footstand
Two positions
Audio Quality
Wideband audio
Brand
Cisco
Condition
Used
Connectivity
Wired and Wireless LAN support
Custom Ringtones
Yes
Device Type
IP Phone
Dimensions
10.5 x 10 x 1.75 in (26.67 x 25.4 x 4.45 cm)
Display
5-inch high-resolution color display
External Interfaces
2 x USB ports, 1 x 10/100/1000 Ethernet port
Firmware
Cisco Unified Communications Manager (CallManager)
Model
CP-9951-WL-K9
Multilingual Support
Yes
Network Protocols
SIP, RTP
Number of Lines
Up to 5 lines
Operating Temperature
32 to 104°F (0 to 40°C)
PoE
Power over Ethernet (Class 3)
Speakerphone
Full-duplex speakerphone with wideband audio
Storage Temperature
-4 to 140°F (-20 to 60°C)
Supported Call Features
Call hold, call forwarding, call transfer, conference calling
Voice Codec
G.711, G.722, G.729a