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One Talk Mobile App
Troubleshoot Call-Through Errors

2026-10-04 16:15:55.132

One Talk Mobile App
Troubleshoot Call-Through Errors

Follow these steps to correct error messages that may occur when attempting to validate your mobile number during Call-Through setup in the One Talk mobile app.

Before you begin

The instructions below will help if you experience error messages at the following screen while setting up Call-Through:
Screen showing area to enter mobile number

Generic error messages (e.g., An error occurred, please try again later, etc.)

  1. Ensure the entered number was the native phone number of the device on which the app is installed and not the One Talk number.
    If the number entered was not the One Talk number, continue to step 2.
  2. Close the
    One Talk app
    .
  3. Turn off Wi-Fi on your device.
  4. Ensure your device is receiving strong cellular signal.
  5. Open the
    One Talk app
    .
  6. Tap the
    3-line Menu
    .
  7. Tap the
    Calling mode switch
    at the center of the screen to turn Call-Through on and reattempt setup.

Error: Call-Through is unavailable at this time

This error can occur if Call-Through was not turned off before changing devices or reinstalling the One Talk app.
  1. Install the
    One Talk app
    on a different device.
  2. Open the app then tap the
    3-line Menu
    .
  3. Tap
    Settings
    .
  4. Navigate:
    Calling
    Call-Through
    Manage Call-Through Numbers
    .
  5. Tap the
    Delete icon
    next to the phone number for the device you want to remove.
  6. Close the
    One Talk app
    .
  7. On the device you want to use for Call-Through, reopen the app then tap the
    Menu icon
    .
  8. Tap the
    Calling mode switch
    to enable Call-Through then reattempt setup.