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IP Phones and Terminals / Cisco

Cisco IP Phone 7821

The Cisco IP Phone 7821 builds on the 7811 model by adding support for two SIP lines, a backlit display, and enhanced user capabilities. It maintains operational simplicity while delivering essential enterprise telephony features.

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Cisco IP Phone 7821

Main features

  • Supports 2 SIP lines
  • 3.5” backlit graphical display (396 × 162 pixels)
  • Programmable keys for line and function control
  • HD audio (wideband)
  • Full-duplex speakerphone
  • PoE Class 1 for network-powered operation
  • Full support for enterprise SIP features

Technical specifications

Model

Cisco IP Phone 7821

SIP Lines

Up to 2

Display

3.5” backlit graphical display

Audio

Full HD (handset and speaker)

Network Ports

2 × 10/100 Mbps

PoE

Yes, IEEE 802.3af Class 1

Codecs

G.711, G.722, G.722.2, G.729ab, iLBC, Opus

Dimensions

~207 × 206 × 28 mm

Approx. Weight

0.867 kg

About the brand

This model is well suited for users who require a SIP phone with more than one line and better visibility of functions, without moving to higher and more complex product ranges.

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