Why do we say hello when answering the phone?

Related questions

1. What does Hoy Hoy mean when answering the phone?
2. Where did the phrase so long come from?
3. What part of speech is Ahoy?
4. How did Alexander Graham Bell think we should answer the phone?
5. What is a female sailor called?
6. Does pirate flag have emoji?
7. Did Thomas Edison get married?
8. Who says Ahoy hoy?

Tags

1. #until
2. #people
3. #rival
4. #hello
5. #graham
6. #phone
7. #alexander
8. #become
9. #common
10. #edison
11. #better
12. #thomas
13. #thought
14. #dictionary
15. #answering
16. #usage
17. #telephone
18. #arrived
19. #urged