Can Skype calls be traced by police?

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Tags

1. #enforcement
2. #protocol
3. #metadata
4. #there
5. #instance
6. #depends
7. #access
8. #suggesting
9. #skype
10. #which
11. #telephony
12. #trace
13. #makes
14. #reports
15. #proprietary
16. #calls
17. #allow
18. #microsoft
19. #however