What is call forwarding?
Call forwarding redirects calls made to your number to another specified number (Please note this service may be chargeable, check with your service provider)
To set up call forwarding you will need to enable it in your settings:
Settings > Phone > Call forwarding
Turn on call forwarding, then enter the number you wish calls to be forwarded to.
If call forwarding is active you will see displayed at the top of your screen.