Mar
12
2018
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
Read More
Mar
08
2018
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
Read More
Jul
22
2008
If you need send a 30 POTS - FXS/FXO lines on large distances, to connect a phones in remote areas, where no PABX's or S12 are located - this is where AN-FM-PCM30 shows up as ideal solution, and this
Read More