Is Skype VoIP free?

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Tags

1. #known
2. #widely
3. #their
4. #calls
5. #software
6. #skype
7. #internet
8. #across
9. #users
10. #allows
11. #making
12. #lines
13. #receive
14. #messages
15. #instant
16. #phones
17. #application
18. #about
19. #other