Steps To Set Up Call Forwarding
Step 1: Open the dialer on your mobile phone and dial **21* (do not press call yet.)
Step 2: Following the **21*, dial the 10 digit telephone number you would like to forward your calls to.
Step 3: Press the # key.
Step 4: Press call and listen for a successful response from the auto attendant.
Check To Make Sure Forwarding Is Working Properly
Even if you have received a message that the call forwarding has been successfully activated, make sure that the call forwarding is working properly by calling your ATT mobile phone from another telephone. If it is not working properly, you may have to turn off the call forwarding and try again.
How To Turn Off Call Forwarding
To turn off call forwarding from your ATT cell phone, simply punch in ##21# and press call. Listen for a successful message stating call forwarding has been deactivated.
Check To Make Sure Settings Are Back To Default
Even if you have received a message that the call forwarding has been successfully activated, make sure that your ATT cell phone now rings when a call is coming in by testing it with another phone. Please comment or send us a message if you experience any difficulty turning on or turning off call forwarding!