What is required for VoIP?

Related questions

1. Do VoIP calls cost money?
2. What is PBX provider?
3. Is 3cx Asterisk based?
4. Is VoIP a hardware or software?
5. Does Whatsapp use VoIP?
6. How does cloud communication work?
7. What is a PBX phone system?
8. What is VOIP and how does it work?
9. What is PBX in networking?
10. What is Asterisk in VOIP?

Tags

1. #first
2. #foremost
3. #therefore
4. #hardware
5. #connection
6. #minimal
7. #required
8. #amount
9. #system
10. #internet
11. #there
12. #router
13. #either
14. #comes
15. #connected
16. #modem
17. #consists
18. #phone