What is a PRI line?

Related questions

1. How does Epabx system work?
2. What is AHT formula?
3. Who invented automated phone systems?
4. What is PRI in telecom?
5. What is did in SIP?
6. How many types of Epabx are there?
7. When was PBX invented?
8. What is SL in BPO?
9. What is SIP in PBX?
10. What is the meaning of PABX and PBX in telecommunication?

Tags

1. #telecommunication
2. #among
3. #network
4. #traffic
5. #which
6. #primary
7. #voice
8. #circuit
9. #digital
10. #carry
11. #video
12. #others
13. #enables
14. #services
15. #phone
16. #interface
17. #traditional
18. #lines
19. #integrated
20. #standard