How does a PABX work?

Related questions

1. What is SL in BPO?
2. What is a PRI line?
3. What is the meaning of PABX and PBX in telecommunication?
4. What is did in SIP?
5. How does Epabx system work?
6. What is AHT formula?
7. How does a PBX telephone system work?
8. How many types of Epabx are there?
9. What is PRI in telecom?
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Tags

1. #scaled
2. #manor
3. #switchboard
4. #device
5. #private
6. #businesses
7. #branch
8. #exchange
9. #telephone
10. #automatic
11. #organizations
12. #accommodate
13. #short
14. #traditional
15. #switch
16. #functions
17. #essentially
18. #settings
19. #known
20. #business