What is PBX SIP Trunking?

Related questions

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Tags

1. #applied
2. #system
3. #video
4. #signalling
5. #calls
6. #internet
7. #trunking
8. #voice
9. #applications
10. #point
11. #messaging
12. #trunk
13. #wikipedia
14. #application
15. #control
16. #multiple
17. #exchange
18. #enables
19. #encyclopedia
20. #phone
21. #receive
22. #protocol