In the main interface in File > Settings and then into HotKey tab can be configured keyboard shortcuts.
The default values are:
F8 to display and hide AsterSwitchboard.
F9 to capture the phone number selected in any application (internet, text documents, etc.).
CTRL + F9 immediately call the selected phone number
Key
Description
F8
Restore or minimize AsterSwitchboard
F9
Capture the phone number selected in any application