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• To turn on the speakerphone during a call, press the Speakerphone key. To turn off the speakerphone during a call, press the
Speakerphone key again.
• To listen to a call using wired headphones, press the Speakerphone key. To stop listening to a call with wired headphones, press the
Speakerphone key again.
• To switch phone numbers, in the phone application, click your active phone number. Click a phone number.
Phone troubleshooting
I cannot make or receive calls
Try performing the following actions:
• Verify that your BlackBerry® device is connected to the wireless network.
• Verify that your wireless service plan includes phone or voice services.
• If you cannot make calls and fixed dialing is turned on, verify that the phone number for your contact appears in your fixed dialing list
or turn off fixed dialing.
• If you have traveled to another country and you have not changed your smart-dialing options, dial the full phone number, including
the country code and area code, for your contact.
• If you are not receiving calls, verify that call blocking and call forwarding are turned off.
• Your device or your SIM card might support more than one phone number, even if you only have one phone number. Verify that your
phone number is set as your active phone number.
• If you have more than one phone number associated with your device, verify that the phone number that you want to make calls from
and receive calls to is set as your active phone number.
Related topics
Fixed dialing, 26
Call blocking, 25
Call forwarding, 23
Switch the active phone number, 29
My phone number appears as Unknown in the phone application
Try changing the phone number on your SIM card to change how your phone number appears in the phone application. On the Home screen,
click the Options icon. Click Advanced Options. Click SIM Card. Highlight the phone number. Press the Menu key. Click Edit SIM Phone
Number. Type your phone number. Press the Enter key.
I cannot check my voice mail
Try performing the following actions:
• If you have more than one phone number associated with your BlackBerry® device and you are trying to check your voice mail using
a shortcut key, your device calls the voice mail access number for your active phone number. Check the voice mail for your alternate
phone number.
User Guide
Phone troubleshooting
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