ISDN – Integrated Services Digital Network
ISDN, though not popular in US, it is still one of the most popular data communication networks in UK, India and many other European countries....
Basics setup of Mobile Communication services
One of the fastest growing telecommunication industry is obviously mobile radio communication. Below figure shows a basic architecture of such a mobile communication network –...
Digitized Telephone services
In the past, we had manual exchanges which involved a great task in switching and routing of calls to various subscribers that increased network traffic...
Evolution of Data Communication Systems
Almost all of the Data communication systems across the world evolved from Telegraph systems. Later with developments in the telephone systems, it was now possible...