80Additional Settings Touch Additional settings.The following options are available:• Caller ID: Choose how your Caller ID will be displayed. SelectNetwork default, Hide number, or Show number.• Call forwarding: Forward your calls to another number.– Always forward: Forwards all voice calls.– Forward when busy: Forward voice calls to a designatednumber instead of your voice mail number, if you are on anotherphone call.– Forward when unanswered: Forwards voice calls to adesignated number instead of your voicemail number whenthere is no answer on your phone. You can also select theamount of time that the phone delays before forwarding.– Forward when unreachable: Forwards voice calls to adesignated number instead of your voicemail number when youare not in an area covered by your service provider or when yourphone is switched off.• Auto area code: Automatically adds a specific area code to alloutbound calls.• Call waiting: The network service informs you when someoneis trying to reach you during another call. Touch to activate.• Auto redial: Automatically redials the last number, if the callwas either cut off or was unable to connect. Touch to activate.• Fixed dialing numbers: Restricts outgoing calls to a limited setof phone numbers. For more information, refer to “Using FixedDialing Numbers” on page 76.• TTY mode: Touch to enable TTY mode and select theappropriate setting for the TTY device to be used.• Hearing aids: Touch to turn on hearing aid compatibility.