PLANET UP-120 - Manual (Page 9)

3． Key Features
Key Descriptions
F1 Skype ’s TAB key, you can turn pages in the Skype’s “Contacts/Dial/Call
list ”
F2 Choose between friends list/dialed number/received calls/missed
calls/balance in the menu of the USB phone
Call Dial or pick up calls
Hand up Hang up and exit the menu and return to waiting status
Up/Down Choose menu option / control the volume in calls
Backspace Backspace/clear numbers
Ring Change the ring tone
0-9/*, # Number keys (Note: press 0 for a long time means “+”)
Mute Mute function in calls
Speaker Handy free in calls