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One Talk Mobile App - Troubleshoot Call-Through Errors

2026-10-22 20:17:33.669

One Talk Mobile App - Troubleshoot Call-Through Errors

Here's how to correct error messages that may occur while setting up One Talk Call-Through.
If you experience error messages when attempting to validate your mobile number at the following screen during Call-Through setup, follow the instructions below:
Screen showing area to enter mobile number

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

  1. Close the One Talk app.
  2. Turn off Wi-Fi on your device.
  3. Ensure your device displays strong cellular signal.
  4. Open the One Talk app.
  5. Tap the
    Menu icon
     Icon with three horizontal lines (upper-left).
  6. Tap the
    Calling mode switch
     (center of the screen) to turn Call-Through on and reattempt setup.
    One Talk options menu

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
    Menu icon
     Icon with three horizontal lines (upper-left).
  3. Tap
    Settings
    .
    One Talk options menu
  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.
    Call-Through number to be deleted with trash can icon
  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.