Cisco 7960 User Manual page 57

Chapter 4 Getting Started with Feature Buttons
For help with the i button feature, itself:
•
You can press the i button twice quickly during an active call to view network
Tip
statistics about the call.
78-10182-05
When the phone is idle, press the i button twice quickly (without first
selecting a feature). This brings up help about using the i button.
Using the i Button for Instant Help
Cisco IP Phone Models 7960 and 7940 User Guide
4-21