Cordless Phone Crossword

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Across
  1. 4. Supplies power for the handset
  2. 5. Converts electrical signals into the sound that you hear
  3. 7. Amplifies signals to and from phone-line interface
  4. 8. Supplies low voltage power to the circuits
Down
  1. 1. Picks up your voice and changes it to electrical signals
  2. 2. Lets you know that you have an incoming call
  3. 3. Is plugged into the telephone jack on your wall
  4. 6. Input for dialing