According to the jurisdiction in which your business is located, you may be required to install a fire alarm system in a new or remodeled occupancy. Check with occupancy or your contractor.
The state of Texas requires all fire alarm systems to be inspected and tested annually.
All fire alarm systems are required to be monitored according to current jurisdictional codes.
The sunset for AT&T cell units is July 1, 2022, and Verizon and Tmobile is December 2022.
Most panel batteries, either security or fire alarm should be replaced every 2 - 2.5 years. This depends upon how much usage the battery(s) was needed for power failure support. Fire alarm batteries must be replaced by a licensed fire alarm technician (no exceptions)
You can change your own security alarm user code if you have the master code. There are many types of systems, please check with your operating manual or alarm company for instructions.