Click the 3 dots in the top corner and choose Show BLF side panel
To add Speed Dial to a colleges extension which will show when they are Online or Busy
Right click on a spare (Gray) button and choose Configure
Then choose BLF from the drop down
Then choose the person you want
Press OK
Green = Available
Yellow = Busy / On the phone
Red = Unavailable / DND
To add Speed dial to normal number / mobile
Right click on a spare (Gray) button and choose Configure
Then choose Custom Speed Dial from the drop down and fill out the info
Then press OK