Apple IPhone IOS 51 User Guide

Make a FaceTime call using  
Siri or Voice Control Press and hold the Home button until you hear the tone. With Siri 
(iPhone 
4S), you can also just hold iPhone to your ear while the screen is on. 
Say “FaceTime,” followed by the name of the person to call.
Block FaceTime calls Go to Settings > FaceTime and turn off FaceTime. You can also disable 
FaceTime in Restrictions. See “Restrictions
” on page 166.
Use your Apple ID or an email 
address for FaceTime Go to Settings > FaceTime, then tap “Use your...

Checking voicemail
When you tap Phone, iPhone shows the number of missed calls and unheard voicemail messages.
Tap Voicemail to see a list of your messages.
Drag the playhead to skip 
to any point in a message.
UnheardmessagesPlay/Pause
Contact info
Scrubber bar
Speakerphone (Audio, 
when a Bluetooth device
is connected. Tap to 
choose audio output.)
Return the call.
Listen to a voicemail message:  Tap Voicemail, then tap a message.
If you’ve already heard the message, tap the message again to replay it....

Favorites
Favorites gives you quick access to your frequently used phone numbers.
Add a contact’s phone number to your favorites list:  Tap Contacts, then choose a contact. Tap 
“Add to Favorites.” Choose a phone number or email address (for FaceTime calls). On iPhone 4 or 
later, choose whether to save as a voice or FaceTime call.
To call a favorite, tap Favorites and choose a contact. If 
 appears next to a name, iPhone makes 
a FaceTime call.
Add a contact to favorites from  
the recents list Tap...

Caller ID
Caller ID displays your name or phone number to the person you call—if the recipient’s 
equipment has that capability and you haven’t turned off or blocked the feature.
Note:  For FaceTime calls, your phone number is displayed even if caller ID is turned off or blocked.
Turn caller ID on or off (GSM):   Go to Settings > Phone > Show My Caller ID.
With CDMA, caller ID is on by default, but can be disabled for a single call.
Block caller ID for a call (CDMA):   Enter *67, then dial the number....

Turn off Voice Roaming on  
a CDMA network Go to Settings > General > Network.
Turning Voice Roaming off disables phones calls when you’re outside of 
your carrier’s network. 
Turn off Data Roaming Go to Settings > General > Network.
Turning Data Roaming off disables data transmission over the cellular 
network. Apps that depend on Internet access are disabled unless iPhone 
has access to the Internet via a Wi-Fi connection. Visual voicemail delivery is 
suspended when roaming unless your carrier does...

Mail
6
Mail works with iCloud, Microsoft Exchange, and many of the most popular mail systems—
including Yahoo!, Google, Hotmail, and AOL—as well as other industry-standard POP3 and IMAP 
mail systems. You can send and receive photos, videos, and graphics, and view PDFs and other 
attachments. You can also print messages, and attachments that open in Quick Look.
Checking and reading email
In Mail, the Mailboxes screen gives you quick access to all your inboxes and other mailboxes. 
When you open a...

Add an email recipient to your 
contacts listTap the message and, if necessary, tap Details to see the recipients.  
Then tap a name or email address and tap Create New Contact or “Add  
to Existing Contact.”
Flag or mark a message as unread Open the message and, if necessary, tap Details. Then tap Mark.
To mark multiple messages as unread, see “ Organizing mail
” on page 69 .
Open a meeting invitation Tap the invitation. See “Responding to invitations
” on page 86.
Working with multiple accounts
If you...

Using links and detected data
iPhone detects web links, phone numbers, email addresses, dates, and other types of information 
that you can use to open a webpage, create a preaddressed email message, create or add 
information to a contact, or perform some other useful action. Detected data appears as blue 
underlined text. 
Tap the data to use its default action, or touch and hold to see other actions. For example, for an 
address, you can show its location in Maps or add it to Contacts.
Viewing...

Organizing mail
You can organize messages in any mailbox, folder, or search results window. You can delete or mark 
messages as read. You can also move messages from one mailbox or folder to another in the same 
account or between different accounts. You can add, delete, or rename mailboxes and folders.
Delete a message:  Open the message and tap .
You can also delete a message directly from the mailbox message list by swiping left or right over 
the message title, then tapping Delete.
Some mail accounts...

Settings may vary, based on the type of account you’re setting up. Your service provider or system 
administrator can provide the information you need to enter.
Change an account’s settings:  Go to Settings > Mail, Contacts, Calendars, choose an account, 
then make the changes you want.
Changes you make to an account’s settings on iPhone aren’t synced to your computer, so you   
can configure your accounts to work with iPhone without affecting the account settings on   
your computer.
Stop using an...