4002: Phone not available
Phone is offline or unreachable.
Phone is offline or unreachable. This is an HTTP 500 error indicating the sender line on your account is not currently connected.
Troubleshooting
Section titled “Troubleshooting”- Check the status of the sender line in your dashboard.
- Retry the request after a short delay — the line may come back online automatically.
- If the line stays offline, subscribe to the
phone_number.status_updatedwebhook to be notified when it reconnects.