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Switch the active phone number, 74
I can't check my voice mail
Try the following actions:
• If you have more than one phone number associated with your BlackBerry smartphone and you're trying to check your
voice mail using a shortcut key, your smartphone calls the voice mail access number for your active phone number.
Check the voice mail for your alternate phone number.
• You need a voice mail access number to check your voice mail. To obtain a voice mail access number, contact your
wireless service provider or administrator.
Related information
Switch the active phone number, 74
I can't block calls
• Your wireless service provider might not support the blocked calling feature. For more information, contact your
wireless service provider.
• If the BlackBerry MVS Client is installed on your BlackBerry smartphone, you can block calls from unwanted callers. For
more information, see the BlackBerry MVS Client User Guide.
I can't change the number of times that my
smartphone rings
Depending on your wireless service provider, you might not be able to choose the length of time that your BlackBerry
smartphone rings before the call is picked up by voice mail. For more information, contact your wireless service provider.
My phone number appears as Unknown in the Phone
application
If your BlackBerry smartphone uses a SIM card, try changing the phone number on your SIM card to change how your
phone number appears in the Phone application.
1. On the home screen or in a folder, click the Options icon.
2. Click Device > Advanced System Settings > SIM Card.
3. Highlight the phone number.
User Guide Phone
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