گوشی آی پی فون Cisco CP-7821-K9
- Type : IP Phone Cisco
- Connectivity Type: IP/VoIP
- Line Appearances: 4
- Speakerphone: full duplex
- Network Connections: 2x 10/100/1000 Ethernet
- PoE: yes
- Protocol Support: SIP, SCCP
- Display: backlit, monochrome, 396x162
- Audio: wideband
- Aux Interfaces: RJ9 headset port