Telephone Quick Start Guides

• Model 7821

  
  Model 7821 has two buttons on either side of display.

  Tip: To adjust the phone's "high" or "low" angle pull the silver stand out from the back and flip it over, then re-seat the tabs.

  • Quick Start User Guide
  • Interactive guide/tutorial
• Model 8851

  
  Model 8851 has five buttons on either side of display.

  Tip: Unlike the Model 7821, there is only one angle option for this model phone.

  • Quick Start User Guide
  • Interactive guide/tutorial
• Model 3905

  
  Model 3905 is found in classrooms, labs, hallways, etc.

  • Quick Start User Guide

Using Headsets with Cisco Phones