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Sonim XP8 - Turn Wi-Fi Calling On / Off

2026-10-22 19:07:43.156

Sonim XP8 - Turn Wi-Fi Calling On / Off

When turned on, Wi-Fi Calling may improve indoor call quality for your Sonim XP8.
If you need to enable or disable Wi-Fi Calling on your Sonim XP8® , which may improve call quality while indoors, follow these step-by-step instructions.
  • Ensure the device meets the following conditions:
    • Wi-Fi is turned on and connected.
    • HD Voice is first activated while in the Verizon wireless coverage area (can't be activated internationally).
  • Wi-Fi calls always originate in the US, even when you're outside of the US.
    • Calls to US numbers are not billed (except for 411 or other premium calls).
    • Calls to international numbers are billed according to your international long distance plan.
  1. From the Home screen, tap the
    Phone icon
     Phone icon (lower-left).
    If unavailable, swipe up to access all apps then tap
    Phone
    .
  2. Tap the
    Menu icon
     Menu icon (upper-right) then tap
    Settings
    .
  3. Tap
    Calls
    .
  4. Tap
    Wi-Fi Calling
    .
  5. Tap the
    Wi-Fi Calling switch
     to turn on Switch on or off Switch off.
    If activating Wi-Fi Calling for the first time:
    1. Tap
      Activate Wi-Fi Calling
      .
    2. Review the Terms & Conditions then tap
      Continue
      .
      Ensure the Terms & Conditions option is checked Checkmark.
    3. Enter the emergency location info (E911) address then tap
      Save
      .
      This info gets transmitted to the emergency dispatcher for all 911 Wi-Fi calls. If address validation fails, you'll be required to re-enter a valid address.
      Upon successful validation of the address, Wi-Fi Calling turns on.
To select your calling preference while traveling outside the Verizon wireless coverage area or internationally, ensure Wi-Fi calling is turned on, tap
When Roaming
 , select 'Prefer Other Cellular Networks' or 'Prefer Wi-Fi' then restart the device.