Please check the following:
1. Double check your installation. Click here for installation instructions.
2. Make sure you are within the 300 foot range of the base.
3. Double check the battery has a full charge. Click here for charging instructions.
4. Check your volume settings. Click here to learn how to adjust the volume.
5. Check the configuration dial on the left hand side of the base to see if another setting works.
6. Make sure that the headset has been paired to the base. Click here for pairing instructions.