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Cisco 6821 IP Phone

The Cisco® IP Phone 6821 is a low-cost, high-fidelity voice communications portfolio designed to improve person-to-person communications in your organization.

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The Cisco IP Phone 6821 IP Phone adheres to the same usability and context-sensitive user experience standards as the Cisco IP Phone 7800 Series. For easy reading, the 6821 IP phone has a 2.5-inch (240×120-pixel) grayscale display with white backlighting. Other features include energy efficiency and eco-friendliness to aid in green initiatives, as well as Power over Ethernet (PoE). For global users, localized language support is available. The line buttons can be completely customized. Line buttons can be configured to support SIP registrations or call features such as speed dialing. Using the multiple-calls-per-line appearance feature, you can also increase productivity by handling multiple calls for each SIP registration. Tricolor LEDs on the line buttons support the phone’s calling features and make it easy to use.


  • White backlit, grayscale, 2.5-in. (6.4-cm) 240 x 120-pixel display.
  • Full-duplex speakerphone.
  • Power over Ethernet (PoE).
  • Supports 2 SIP Registrations.

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