Caller ID testing task
Caller ID testing checks whether the calling number shown on an international call has been changed somewhere along the route. Your phone acts as one of the destinations for these test calls.
When a test runs, your phone rings for about ten seconds. You do not need to answer the call. If you do answer, you may hear silence before the call hangs up — that is expected.
Do not call the number back. Copy the number the call came from, paste it into the app exactly as shown, and report it within 24 hours.
Follow the screens below to enable the task and report a test call.