Telephoning and texting (Unit 21)

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Across
  1. 2. to telephone someone a second time
  2. 3. something you use to talk to someone far away
  3. 5. to end a phone call
  4. 6. to turn on/off
  5. 8. to telephone someone
  6. 9. when someone calls you but you don't pick up
  7. 10. to pay more money to your phone company
  8. 13. a mobile phone
  9. 15. to be/remain in contact
Down
  1. 1. to use a telephone
  2. 4. to wait
  3. 7. to speak to someone by telephone
  4. 11. without any sound
  5. 12. to send a written message from a mobile phone
  6. 14. to telephone someone