After the caller has sent a signal to the called party’s location from the telephone device to the near-end switch, the subsequent two actions taking place are routing the telephone call and send a

In our previous article, Everything you need to know about POTS

Plain Ordinary Telephone Service ( POTS )     In the industry, basic telephone service is known as Plain Ordinary Telephone Service ( POTS )

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