This document provides definitions for common telephone terms such as answer, answering machine, caller, call back, call display, cellular phone, dial, dialing tone, directory, hang up, operator, phone booth, pick up, receiver, ring, and ringer.

1. Telephone Terms

2. answer

3. answering machine

4. caller

5. call back / phone back

6. call display

7. cellular phone

8. dial

9. dialing tone

10. directory

11. hang up

12. operator

13. phone booth / payphone

14. pick up

15. receiver

16. ring

17. ringer