User Guide

Place a call on hold
If your BlackBerry smartphone is connected to a CDMA network, you can't place a call on hold.
During a call, press the key > Hold.
To resume a call, press the key > Resume.
Dial using numbers or letters
When you type a letter in a phone number, your BlackBerry smartphone dials the number that's associated with the letter
on a conventional phone keypad.
• To type a number, press a number key.
• To type a letter, press a letter key.
Switch applications during a call
During a call, press the key > Switch Application.
Note
: If you switch to a different application and you want to end the call, press the key.
About using a headset
You can purchase an optional headset to use with your BlackBerry smartphone.
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 smartphone 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're outside of a wireless coverage area and the indicator appears at the top of the screen, you can call only
emergency numbers. Your
BlackBerry smartphone is designed to allow emergency calls even when your smartphone is
locked. Depending on your smartphone model and the wireless network that your smartphone is connected to, your
User Guide Phone
58