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Using a Bluetooth Device for Calls
You can make and receive calls using a Bluetooth device paired with iPhone. See
“Pairing a Bluetooth Device with iPhone” on page 47.
For information about using a Bluetooth device to make and receive calls, see the
documentation that came with the device.
Listen to calls through iPhone when a Bluetooth device is connected: Do one of
the following:
Answer a call by tapping the iPhone screen. Â
During a call, tap Audio on iPhone. Choose iPhone to hear calls through iPhone or Â
Speaker Phone to use the speakerphone.
Turn o Bluetooth. In Settings, choose General > Bluetooth and drag the switch to O. Â
Turn o the Bluetooth device, or move out of range. You must be within about Â
30 feet of a Bluetooth device for it to be connected to iPhone.
Emergency Calls
If iPhone is locked with a passcode, you may still be able to make an emergency call.
Make an emergency call when iPhone is locked: On the Enter Passcode screen, tap
Emergency Call, then dial the number using the numeric keypad.
In the U.S., location information (if available) is provided to emergency service
providers when you dial 911.
On a CDMA model, when an emergency call ends, iPhone enters Emergency call mode
to allow a call back from emergency services. While in this mode, data transmission
and text messages are blocked.
Exit emergency call mode (CDMA model): Do one of the following:
Tap the back button. Â
Press the Sleep/Wake or Home  button.
Use the keypad to dial a non-emergency number. Â
Emergency call mode ends automatically after a few minutes, as determined by
your carrier.
Important: You should not rely on wireless devices for essential communications,
such as medical emergencies. Use of any cellular phone to call emergency services
may not work in all locations. Emergency numbers and services vary by country or
region. Only emergency numbers valid in the country or region where you’re making
the call will work, and sometimes an emergency call cannot be placed due to network
unavailability or environmental interference. Some cellular networks may not accept
an emergency call from iPhone if it doesn’t have a SIM card or if the SIM card is locked
(GSM models), or if you haven’t activated your iPhone. If you’re on a FaceTime video
call, you must end that call before you can call an emergency number.
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Chapter 5 Phone