What is difference between PBX and IP PBX?

Related questions

1. What is PSTN used for?
2. How does VoIP work at home?
3. Can VoIP call landlines?
4. What is a VoIP phone number used for?
5. What is PBX cloud?
6. How does VoIP PSTN work?
7. Can I use VoIP phone at home?
8. Is SIP Trunking the same as VoIP?
9. What is phone type VoIP?
10. How does IP phones work?

Tags

1. #system
2. #computer
3. #internet
4. #essentially
5. #phone
6. #between
7. #connection
8. #telephone
9. #because
10. #calls
11. #outgoing
12. #analog
13. #connect
14. #small
15. #voice
16. #requires
17. #users
18. #difference
19. #incoming
20. #standard
21. #network
22. #transfers
23. #lines