Click Fraud
Dec
10
2018
Hierarchy of PSTN Switching Center
POTS and loops have already been discussed in great detail, and it’s time to look at PSTN’s trunk side. The Figure shown below illustrates Bell System switching centers’ five-level hierarchy.
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Mar
12
2018
Remotes (CPE’s), DSL & DSLAM’s in the Outside Plant
In our article few days ago where we talked about Loops and Trunks & Circuit switching,  we finished our article on discussing concepts for CO, and how it were made since the most humble beginnin
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Mar
08
2018
Introduction to PSTN – CO, CPE, Loop and Trunk
We’ll start this series of articles with a basic model of PSTN - PSTN stands for (Public Switched Telephone Network) and build on it in subsequent posts. In figure below, a
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