What is the difference between PSTN and VoIP?

Related questions

1. What is called Sip?
2. What does PBX stand for?
3. How does SIP work with example?
4. What is the advantage of IP phone?
5. What is cloud phone system?
6. Do you need special phones for VoIP?
7. What is Cloud calling?
8. What is a VoIP phone number used for?
9. Can I use normal phone for VoIP?
10. Can VoIP call landlines?

Tags

1. #digital
2. #receiving
3. #through
4. #signals
5. #protocol
6. #difference
7. #calls
8. #there
9. #voice
10. #packets
11. #telephone
12. #transmitted
13. #public
14. #stands
15. #internet
16. #switched
17. #audio
18. #network
19. #their
20. #converted