Yealink T20P Quick Reference Manual page 3

Barracuda Phone System
To view missed, received, or placed calls, press the up arrow key
Use the left and right arrow keys to choose between All Calls, Dialed Calls, Received
Calls, Missed Calls, and Forwarded Calls.
Use the up and down arrow keys to scroll through the list.
To dial a number, highlight it and then press OK.
Yealink T20P IP Telephone Quick Reference Guide 3 / 4