Disable or Re-enable Call Forwarding

Once you have Call Forwarding set up, it will be enabled by default and you should see a green light next to "Call Forward"

Disable - To disable Call Forwarding, press the "Call Forward" button. The light next to it should be turned off.

Re-enable - To re-enable Call Forwarding (with the current set up), press the "Call Forward" button, then press the "Done"