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Telephone Lines are NOT All Created Equally...


February 26, 2013

VoIP and digital phone lines may not reliably work with your alarm systems.

In almost all cases, your security/life safety system relies on proper operation of the telephone line, and its associated special security wiring, to reliably communicate alarm signals to the central station. There are several important things to consider before making the decision to use VoIP or digital telephone service:

  • With a self-installed VoIP service, such as Vonage or AT&T’s CallVantage, your alarm system may lose its connection to the telephone service, rendering the system unable to send alarm signals to the central station. VoIP technology may also cause your alarm signals to get scrambled as they are sent to the central station.
  • Similarly, with digital telephone phone services offered by your cable provider, your system may be unable to consistently and reliably send alarm signals to the central station. This technology may also cause your alarm signals to get scrambled as they are sent to the central station.
  • In addition to the security system’s battery back-up equipment, VoIP and digital phone services may need additional battery back-up equipment to maintain communications in the event of a power failure.

Backing up the data for your access control system can save you hours of work and reduce system downtime.

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