Who do I call to get more help with my Medical Alert device? Please review the user manuals or if you still need help contact support. PERS2400A Medical Alarm User Manual Numera Libris 2 User Guide Numera Libris 2 Quick Start Guide During Business hours, we recommend you call our service line (519) 326-2020.After business hours, you can call the monitoring station at (1-800) 481-2700 / (1-800) 434-4000