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About using a headset
You can purchase an optional headset to use with your BlackBerry® device.
If you use a headset, you can use a headset button to answer or end a call, or to turn on or turn off mute during a call.
Depending on your device model, you might be able to use a headset button to make a call using a voice command.
Depending on your headset, you might also be able to use a headset button to pause, resume, skip, or adjust the volume of
audio or video files.
For more information about using the headset, see the documentation that came with your headset.
Emergency calls
About emergency calls and Emergency Callback Mode
If you are outside of a wireless coverage area and the SOS wireless coverage indicator appears at the top of the screen, you can
call only emergency numbers. Your BlackBerry® device is designed to allow emergency calls even when your device is locked.
Depending on your device model and the wireless network that your device is connected to, your device is also designed to
allow emergency calls when the SIM card is not inserted. If the connection to the wireless network is turned off when you
initiate an emergency call, your device is designed to connect to the wireless network automatically. You can make emergency
calls by typing only official emergency access numbers (for example, 911 or 112).
Note: You should not rely on any wireless device for essential communications, including medical emergencies. Emergency
numbers may vary by location and emergency calls may be blocked or impeded by network, environmental, or interference
issues.
If your device is connected to a CDMA network, when you end an emergency call, your device enters Emergency Callback
Mode. This mode allows the operator to call you back or find your approximate location. Depending on your wireless service
provider, Emergency Callback Mode is active for 5 minutes or until you make a non-emergency call. In Emergency Callback
Mode, you cannot send and receive messages or browse web pages.
If your device supports GPS and you make an emergency call, an emergency operator might be able to use GPS technology to
find your approximate location.
Make an emergency call
Do one of the following:
•
If your keyboard or BlackBerry® device is unlocked, from the Home screen, press the
key. Type the emergency
number. Press the key.
•
If your device is locked, press the key > Emergency. Press the key.
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