You need to manually turn off the forwarding. We recommend that you create a reference named "redirect". In that reference, you can specify an end time for when the redirect should cease. Follow the guide here
- Click on your profile card
- Click on "Incoming Calls"
- Select "Handling of incoming calls," Toggle if it should apply to all your numbers
- Choose "Redirect"
- Enter the number you want to redirect to
- Decide if you want a delay before the call is redirected
- Toggle if you want a voice message to be played before the call is redirected