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36 Chapter 3 Phone
For more information about other accessibility features of iPhone, go to:
www.apple.com/accessibility
Changing Your Voicemail Password
A voicemail password helps prevent others from access your voicemail. You only need
to enter the password when you’re calling in to get your messages from another
phone. You won’t need to enter the password when using Voicemail on iPhone.
Change the voicemail password
m From the Home screen choose Settings > Phone > Change Voicemail Password.
Locking Your SIM Card
You can assign a PIN number to your SIM card, so it can’t be used in other phones
without the number. You must enter the number each time you turn iPhone off and
turn it back on again.
Assign a PIN number to your SIM card
m From the Home screen choose Settings > Phone > SIM PIN.
Accessing AT&T Services
You can access some AT&T services directly from iPhone. You can do things like check
your bill balance, call directory assistance, and view how many minutes you have left.
Access AT&T Services
m From the Home screen choose Settings > Phone > AT&T Services.
When you request information such as your bill balance using AT&T Services,
AT&T sends you a text message with the information. There is no charge for these
text messages; they do not count against the number of messages allowed in your
calling plan.
Ringtones
iPhone comes with a number of ringtones that you can use for incoming calls.
A dedicated switch on the side of iPhone lets you quickly turn ringing on or off.
You can also set iPhone to vibrate or not.
Setting Ringtones
In addition to the default ringtone, you can assign individual ringtones to people in
your contacts so that you can tell when a particular person calls.
Set the default ringtone
m From the Home screen choose Settings > Sounds > Ringtone, then choose a ringtone.