Category: Legacy telecom

Practices , Network , Architectures and terminology jargon used in Legacy networks

Legacy Telecom Networks

Characteristics of Legacy Systems PSTN (Public Switched Network) TDM ISDN (Integrated Service Digital Network) Services of Legacy Telecom Networks I use the term legacy telecom system many a times , but have not really described what a legacy system actually is . In my conferences too I am asked to just exactly define a legacy … Continue reading Legacy Telecom Networks

Public Switched Telephone Network

What is a Circuit Switched Telephone call ? circuit switched - During the set up portion of a telephone call, a circuit is created, which is then torn down when the call is completed. Originally, the entire telephone network was analog, but it is now mostly digital. The digital parts include the switches and backbone lines … Continue reading Public Switched Telephone Network