Samsung GT I8000 User Manual page 146

You select a contact to call, but the call is not dialled
• Ensure that the correct number is stored in the contact information.
• Re-enter and save the number (if necessary).
Another caller cannot hear you speaking
• Ensure that you are not blocking the built-in microphone.
• Move the built-in microphone closer to your mouth.
• If using a headset, ensure that it is properly connected.
The sound quality of a call is poor
• Ensure that you are not blocking the internal antenna and the
Bluetooth antenna. The internal antenna and the Bluetooth antenna
are located at the bottom of the device.
• When you are in areas with weak signals, you may lose reception.
Move to another area and try again.
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