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something about telephone networks

simon.wang
Level 1
Level 1

I 'm new to voip tech.

I found that to implement voip you need to know how to interact with

the PSTN networks, anyone knows about some website or url talking

about things like PBX, DID, DOD ,TRUNK Lines?

grateful !!

by the way, thanks ketpatel for your answer ! it's very helpful !

2 Replies 2

thanks , Rick !

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