The CP-7821-K9 is a Cisco IP Phone 7821 — a 2-line VoIP phone designed for small to large businesses, featuring wideband audio, a 3.5" backlit display, full-duplex speakerphone, EHS headset support, and PoE for easy deployment.
2-Line VoIP | 3.5" White Backlit Display (396x162) | Wideband Audio (G.722) | Full-Duplex Speakerphone | 2x Programmable Line Keys | 4x Soft Keys | EHS Headset Support | PoE Class 1 | Dual 10/100 Ethernet | Wall Mountable
Specifications:
Brand: Cisco | Model: CP-7821-K9 | Series: IP Phone 7800 | Lines: 2 | Display: 3.5" White Backlit Greyscale, 396x162 pixels | Ethernet: 2x 10/100 (Network + PC Passthrough) | Power: PoE Class 1 or AC Adapter (sold separately) | Signaling: SIP | Color: Charcoal
Codecs:
G.711a/μ | G.722 | G.729a | iLBC
Security:
TLS Signaling | SRTP Media Encryption | 802.1X Authentication | Secure Boot | HTTPS Provisioning
Compatible Platforms:
Cisco Unified Communications Manager 9.3+ | Cisco Webex Calling | Cisco Hosted Collaboration | Third-Party SIP Platforms
Features:
Full-Duplex Wideband Speakerphone | EHS Headset Support | XML + CTI Application Access | Cisco EnergyWise | Dedicated Fixed Keys (Conference, Messages, Directory) | Optional Wall Mount | Optional Silver Bezel
The CP-7821-K9 is a Cisco IP Phone 7821 — a 2-line VoIP phone designed for small to large businesses, featuring wideband audio, a 3.5" backlit display, full-duplex speakerphone, EHS headset support, and PoE for easy deployment.
2-Line VoIP | 3.5" White Backlit Display (396x162) | Wideband Audio (G.722) | Full-Duplex Speakerphone | 2x Programmable Line Keys | 4x Soft Keys | EHS Headset Support | PoE Class 1 | Dual 10/100 Ethernet | Wall Mountable
Specifications:
Brand: Cisco | Model: CP-7821-K9 | Series: IP Phone 7800 | Lines: 2 | Display: 3.5" White Backlit Greyscale, 396x162 pixels | Ethernet: 2x 10/100 (Network + PC Passthrough) | Power: PoE Class 1 or AC Adapter (sold separately) | Signaling: SIP | Color: Charcoal
Codecs:
G.711a/μ | G.722 | G.729a | iLBC
Security:
TLS Signaling | SRTP Media Encryption | 802.1X Authentication | Secure Boot | HTTPS Provisioning
Compatible Platforms:
Cisco Unified Communications Manager 9.3+ | Cisco Webex Calling | Cisco Hosted Collaboration | Third-Party SIP Platforms
Features:
Full-Duplex Wideband Speakerphone | EHS Headset Support | XML + CTI Application Access | Cisco EnergyWise | Dedicated Fixed Keys (Conference, Messages, Directory) | Optional Wall Mount | Optional Silver Bezel