Cisco CP-9951-C-K9 | IP Phone

Technical Specifications:
- Display: 5-inch (12.7 cm) backlit color display
- Resolution: 640 x 480 pixels
- Ethernet switch: 10/100/1000
- PoE: IEEE 802.3af PoE (Class 3)
- Protocol support: SIP, SCCP
- Speakerphone: Full-duplex speakerphone with acoustic echo cancellation
- Audio support: G.711a, G.711u, G.729a, G.729ab, G.722, iLBC
- Headset support: RJ-9 jack, Bluetooth, and USB
- Security: Secure boot, secure firmware, secure signaling, and secure media
- Power consumption: 6.4 watts (standby), 10.8 watts (maximum)
- Dimensions: 8.2 x 10.5 x 6.1 inches (20.8 x 26.7 x 15.5 cm)
- Weight: 3.5 lbs (1.6 kg)

Helpful Notes:
- The CP-9951-C-K9 is a reliable and feature-rich IP phone that supports a wide range of protocols and audio codecs.
- With its backlit color display and full-duplex speakerphone, this phone is ideal for conference calls and video conferencing.
- The phone's support for Bluetooth and USB headsets makes it easy to use with a variety of audio accessories.