The Sentry system from Pevco is an auto- mated mobile email messaging software that alerts proper staff members of maintenance and service conditions in pneumatic tube systems. The Sentry messaging system details the type of alarm, the equipment involved, and records the time of the event to help identify the response and resolution. Sentry can communicate with any mobile device with email capabilities, and settings can be filtered by station or event so that critical information is sent to the proper staff. Sentry is a standard feature of Pevco’s Smart System software version 3.0.