Business Telecommunications and Automation

Cisco IP Phone 6821 Multiplatform Phone

Cisco IP Phone 6821 with Multiplatform Firmware.

The Cisco IP Phone 6800 Series with Multiplatform Phone (MPP) Firmware is a cost-effective, high-fidelity voice communications portfolio designed to improve your organization’s person-to-person communications while reducing your operating costs on approved Unified- Communications-as-a-Service (UCaaS) platforms.

The Cisco IP Phone 6800 Multiplatform Phone combines an attractive, new ergonomic design with “always-on” reliability and secure encrypted communications. The phones deliver advanced IP telephony features and wideband audio capabilities with an easy-to-use, full-featured voice communications experience.

The Cisco IP Phone 6800 Series provides four phone models (and an optional Key Expansion Module) to the Cisco Multiplatform Phone (MPP) portfolio.

Cisco IP Phone 6821

Supporting SIP registrations by model:

6821 (x2), 6841 (x4), 6851 (x4), 6861 (x4), 6871 (x6).


Key Expansion Module for 6851 only. 6861 supports Wi-Fi.

Cisco Multiplatform IP Phone Range

Features and Benefits

The 6800 Series is ideal for businesses that want to update their phone systems from traditional analog or digital-based systems to an IP communications system with supported multiplatform call control systems.

  • Ergonomic design
  • Graphical display
  • Handset
  • Headset
  • Backlit indicator
  • Volume control
  • Full-duplex speakerphone
  • Single-position foot stand
  • Wall-mountable
  • Electronic hook switch
  • USB
  • Keys
  • Ethernet cables
  • IEEE PoE
  • Power adapter with country clips
  • Cisco power injector
  • Key Expansion Module