Is WhatsApp call VoIP?

Related questions

1. How does VoIP PSTN work?
2. What is the advantage of IP phone?
3. How does a virtual PBX work?
4. What is PSTN and PBX?
5. What does PBX stand for?
6. What is a SIP phone number?
7. How does SIP work with example?
8. Are VoIP calls free?
9. What is the main use of VoIP?
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Tags

1. #internet
2. #similar
3. #cellular
4. #calls
5. #rather
6. #connection
7. #iphone
8. #around
9. #calling
10. #version
11. #phone
12. #facetime
13. #service
14. #feature
15. #world
16. #latest
17. #audio
18. #allows
19. #voice
20. #skype
21. #whatsapp