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    Guide · 6 min · Last reviewed 5 Jul 2026

    Digital Voice setup and safety guide

    In short

    A step-by-step guide to setting up OCCTA Digital Voice safely — including alarms, telecare, and power-cut backup.

    Before you switch

    Tell us about any of the following at your address:

    • Personal alarm / pendant
    • Telecare box
    • Older care-line phone
    • Alarm dialler for a burglar alarm
    • Fax machine (yes, still used in some places)

    Any of these may need checking or replacing before you move to Digital Voice.

    Step 1: Physical setup

    Digital Voice phones plug into the green telephone port on the back of the router, not the wall socket.

    Step 2: Test call

    Ring a friend's mobile. Voice quality should be clear.

    Step 3: Power-cut plan

    Digital Voice doesn't work in a power cut. If anyone at the address relies on the landline for a medical or care service, we provide a free battery backup unit and won't migrate you without one.

    Step 4: 999 calls

    Digital Voice 999 calls work exactly as before, provided the router has power. In a power cut, use a mobile.

    Step 5: Tell people

    If you use the landline as a contact number for a doctor, school or vulnerable relative, they don't need to know anything technical — the number stays the same.

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    This guide is for general information only. Your accepted Contract Summary, Contract Information and OCCTA terms apply to your service.