Battery backup for voice

Frontier Digital Voice service needs your home’s electricity to work. If you lose power, a battery backup unit can power your phone so you can make phone calls, including emergency 911 calls.

How do I order a battery backup unit?

Battery backup units are available for all Frontier Digital Voice customers with the following services:

Frontier® Fiber Internet

  • Unlimited Digital Voice
  • Fiber Digital Voice
  • Digital Voice
  • Unlimited Voice
  • Digital Phone Unlimited
  • Digital Phone Essentials
  • Freedom Essentials
  • Regional Essentials

Order a battery backup unit or download the BBU guide for Fiber Digital Voice service.

Frontier® Internet

  • Unlimited Digital Voice

Order a battery backup unit or download the BBU guide for Digital Voice Service.

    Troubleshooting your battery backup unit

    Did you notice an intermittent beep coming from the battery backup unit? This means it needs attention. Here’s how to test the battery for possible replacement:

    1. Remove the cables connecting to the BBU.
    2. Unplug the battery.
    3. Wait 30 seconds, then plug it back in.
    4. Wait for the BBU to start beeping, indicating it’s not getting battery power.
    5. Replace the battery by firmly re-attaching all cables and placing it back in the housing unit.

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