Across
- 3. An indicator that glows
- 4. Sound a phone makes
- 7. Very important and immediate
- 8. A short, sharp sound
- 10. Electrical energy
- 13. A piece of equipment
- 15. Crackling noise on a line
- 17. To hear sound
- 18. A small plastic case with tape
- 22. To return
- 23. Where the machine might be
- 26. Spoken sound
- 27. The hour and minute
- 28. To make a call number
- 29. To contact by phone
- 31. To go back on a tape
- 34. Device used for calls
- 36. A recorded communication
- 38. Device that outputs sound
- 40. To end a call
Down
- 1. Sound level
- 2. A continuous low, buzzing sound
- 5. Digits used for calling
- 6. To end a recording
- 9. A common farewell
- 11. A temporary halt
- 12. Telephone connection
- 14. A short, sharp sound from a button
- 16. To save sound
- 19. Magnetic ribbon for recording
- 20. To pause before action
- 21. A control you press
- 24. To delete a message
- 25. A common greeting
- 30. A signal or warning
- 32. The day, month, and year
- 33. A low, steady sound
- 35. Away from home
- 37. To store a message
- 39. To start a recording