Do businesses use VoIP?

Related questions

1. Does SIP use TCP or UDP?
2. What is AsteriskNOW?
3. What is IP telephony system?
4. What is the difference between VoIP and SIP?
5. What is a legacy phone system?
6. How does IP phone system work?
7. What is Skype for Business Cloud PBX?
8. What is the benefit of SIP?
9. Is VoIP cheaper than PSTN?
10. What is Microsoft Cloud PBX?

Tags

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2. #being
3. #majority
4. #finds
5. #phone
6. #protocol
7. #system
8. #third
9. #sense
10. #internet
11. #recent
12. #systems
13. #fewer
14. #research
15. #businesses
16. #voice
17. #small
18. #using
19. #employees