Cisco CP-7975G-U | Unified IP Phone 7975

1. Display: 5.6-inch (14 cm) diagonal widescreen, backlit, 16-bit color depth, 640 x 480 effective pixel resolution
2. Ethernet switch: 10/100/1000BASE-T Ethernet connection through an RJ-45 interface
3. Protocol support: SCCP and SIP
4. Speakerphone: Full-duplex speakerphone with acoustic echo cancellation
5. Headset support: Dedicated headset port, compatibility with wideband (G.722) and narrowband (G.711) headsets
6. Power: Supports IEEE 802.3af Power over Ethernet (PoE) and Cisco inline power
7. Audio features: Wideband audio, support for G.711, G.729a, G.729ab, G.722, and iLBC audio compression codecs
8. Security: Support for secure communications, including Secure Real-Time Transport Protocol (SRTP) and Transport Layer Security (TLS)
9. XML applications: Support for customized XML-based applications
10. Call control: Support for Cisco Unified Communications Manager and Cisco Unified Communications Manager Express
11. Dimensions: 8.2 x 10.5 x 6.1 inches (20.8 x 26.7 x 15.5 cm)
12. Weight: 3.5 pounds (1.6 kg)

Helpful notes:
1. The phone has six programmable line and feature keys for quick access to frequently used features.
2. The phone supports up to two Cisco Unified IP Phone Expansion Modules, which provide additional programmable line and feature keys.
3. The phone's adjustable footstand can be set at three different angles for comfortable viewing.