What is a GSM auto Dialler?
Daniel Foster
Published Feb 21, 2026
What is a GSM auto Dialler?
The GSM Auto Dialler will alert the customer using GSM technology by sending a text message or a phone call. Customers are alerted using text or phone call when the attached alarm is triggered. They can then text back to switch it off using their phone.
What does it mean when your alarm system is not communicating?
This means your system is not communicating, and we won’t receive signals for any alarm activity until communication is restored. Take a look below to check out a few things that could cause communication failure, and some things you can try to restore communication. Make sure your alarm system has power.
When does a security system need a phone line?
POTS lines need a working phone line to communicate. This means that when phone service in the area is down or a burglar cuts a phone line, a security system cannot send signals.
Can a home security system work with a telephone provider?
To ensure your safety, most security system providers keep an updated database of the telephone providers in your area. Fully compatible telephone providers are given the status of qualified Managed Facility Voice Network (MFVN).
What does it mean when your security system says com fail?
A “Com Fail” message on your security system keypad means that a your control panel attempted to transmit a message to the central station and failed. This can happen for a variety of reasons. Most commonly, a loss of phone service due to a power outage.
This means your system is not communicating, and we won’t receive signals for any alarm activity until communication is restored. Take a look below to check out a few things that could cause communication failure, and some things you can try to restore communication. Make sure your alarm system has power.
POTS lines need a working phone line to communicate. This means that when phone service in the area is down or a burglar cuts a phone line, a security system cannot send signals.
What does it mean when your phone says failure to communicate?
Failure to Communicate. Your system keypad will notify you (sound alert and/or message on the keypad window) indicating that it has a trouble condition for a “failure to communicate” or “phone line fault”. This requires you test your system with the central station before you schedule a service a service call.
To ensure your safety, most security system providers keep an updated database of the telephone providers in your area. Fully compatible telephone providers are given the status of qualified Managed Facility Voice Network (MFVN).