Do you need a PBX for VoIP?

Related questions

1. How does a PBX work?
2. What is the difference between VoIP and IP telephony?
3. What is SIP server?
4. Is VoIP better than landline?
5. Are cell phones VoIP?
6. What's the difference between SIP and VoIP?
7. Is PBX a VoIP?
8. What is IP PBX system?
9. What is a PBX solution?
10. How much does a VoIP phone system cost?

Tags

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2. #probably
3. #going
4. #telephony
5. #solutions
6. #switched
7. #including
8. #premises
9. #often
10. #systems
11. #these
12. #based
13. #minimize
14. #phone
15. #cloud
16. #invest
17. #hardware