Cisco 6821 IP Phone for MPP Systems (CP-6821-3PCC-K9=) - SIP Desk Phone with 2.8 inch Monochrome LCD, PoE, and Full-Duplex Audio

The Cisco 6821 IP Phone for MPP Systems strips away complexity and delivers rock-solid call handling for day-to-day office operations. Built for the Multiplatform Firmware (MPP) environment, it gives you reliable SIP voice communication without the bulk or the learning curve of more advanced models.

Highlights

• Compact desk phone with 2-line support for efficient call management
• Monochrome 2.8-inch LCD with backlight for clear at-a-glance status
• Full-duplex speakerphone for natural, hands-free conversations
• Power over Ethernet (IEEE 802.3af) simplifies installation – one cable for data and power
• Multiplatform Firmware (MPP) enables flexible provisioning and broad interoperability
• Wall-mountable option with the optional mounting kit to save desk space

In daily use

Designed for intuitive operation, the 6821 puts essential functions like Hold, Transfer, Conference, and Mute directly on dedicated keys. The navigation cluster simplifies menu browsing, while the headset port (RJ-9) allows you to switch to a headset for privacy or comfort. With two Ethernet ports, you can connect your PC directly to the network through the phone, reducing cable clutter. The adjustable stand lets you position the display for optimal viewing, and the backlit LCD ensures readability even in low-light environments.

Full specifications

• Brand: Cisco
• Model: CP-6821-3PCC-K9=
• MPN: CP-6821-3PCC-K9=
• EAN: 889728172714
• Product type: Desk Phone
• Display: Monochrome LCD
• Display diagonal: 2.8 inch
• Display resolution: 320 x 128 pixels
• Backlight: Yes
• Line appearances: 2 (SIP accounts)
• Ethernet ports: 2 x 10/100BASE-T (RJ-45)
• Power over Ethernet (PoE): IEEE 802.3af Class 1
• Audio codecs: G.711a, G.711u, G.722, G.729a, G.729ab, iLBC
• Wideband audio: Yes (G.722)
• Speakerphone: Full-duplex
• Headset port: RJ-9
• Firmware type: Multiplatform Firmware (MPP)
• Call control protocol: Session Initiation Protocol (SIP)
• Security features: Secure boot, Image authentication, Device authentication, Configuration file encryption, TLS, SRTP
• Mounting options: Desk stand (adjustable), Wall-mountable (optional kit)
• Fixed feature keys: Hold, Transfer, Conference, Mute, Headset, Speakerphone, Volume, Navigation
• Power options: PoE or optional AC adapter (CP-PWR-CUBE-3)
• PC port: Yes (for network pass-through)
• Voicemail access: Yes

Final note

The Cisco 6821 is a no-nonsense communication tool that delivers reliable SIP voice communication for everyday office use, with essential features and flexible deployment options.