you cant, but it depends what kind of system you have, you can cut the main phone line on the older ones, but not the new ones,btw if you cut the phone line on the newer ones it will set the alarm off, so DONT do it!
theres a way around every alarm system. like a motion sensor wont see anything if you move really really slow
Wait until it's deactivated. xD
Unless it's off, you can't.
you cant .... i'v tried lol