Call someone with Skype

callme.applescript

property phoneNumber : "55522332"
tell application "Skype" to activate
delay 20
tell application "System Events"
	tell application process "Skype"
		try
			tell window "Dial Pad" to click
			tell window "Dial Pad"
				keystroke phoneNumber
				click button "Call"
			end tell
		on error
			keystroke "2" using command down
			delay 2
			tell window "Dial Pad"
				keystroke phoneNumber
				click button "Call"
			end tell
		end try
	end tell
end tell