Telephone Quick Start Guides

Model 7821Model 8851Model 3905

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.


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.


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

Using Headsets with Cisco Phones