Here at Brinks Home Security, we offer the ability to set a "Duress code" when creating a user code. A duress code is a secret distress signal used by an individual who is being forced to disarm their Alarm System. This code can be used in place of a user code, however, a silent signal is sent to the central monitoring station to show that it was used. This way, in the event you are forced to deactivate your alarm, you are still able to call for help.
(A duress code will disarm your system like normal with no indication of distress)