Blackberry 8900 manual Cannot make a conference call, Some features are not available on my device

User Guide Phone troubleshooting

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I cannot make a conference call

If your BlackBerry® device is associated with a BlackBerry® MVS Client phone number, you cannot join a call that you make or receive using your BlackBerry MVS Client phone number with a call that you make or receive using the phone number provided by your wireless service provider.

Some features are not available on my device

Depending on your wireless service plan or the type of email account that is associated with your BlackBerry® device, some features might not be available on your device.

If your device is associated with an email account that uses a BlackBerry® Enterprise Server, your organization might not have set up some features or might prevent you from using some features or options. If an administrator has set an option for you, a red lock indicator appears beside the option field.

For more information about the features that are available on your device, contact your wireless service provider or administrator.

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