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Prerequisites: TTY support

  • Depending on your wireless service provider, this feature might not be supported.
  • Verify that your TTY device operates at 45.45 bits per second.
  • Verify that you have inserted the TTY device connector into the headset jack on your BlackBerry® device. If your TTY device is designed for use with a 2.5-mm headset jack, you must use an adapter accessory to connect your TTY device to your BlackBerry device. To get an adapter accessory that Research In Motion has approved for use with your BlackBerry device, visit


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