Tag Archives | Telephone System

Standards Used in Telephone System (With Diagram) | Networking

This article throws light upon the following two standards that are mainly used in telephone systems. The standards are: 1. Narrowband ISDN 2. Broadband ISDN. 1. Narrowband ISDN: The present public circuit switched telephone system meant chiefly to cater to voice transmission, is largely analogue. However, in spite of these advantages the telephone systems throughout the world continue to be [...]

By Pranya Kataria|2017-03-15T04:29:57+05:30March 15, 2017|Networking|Comments Off

Facilities Provided by the Telephone System | Data Communication | Networking

A summary of all the facilities provided by the telephone system is given below: 1. Dial-up telephone lines using the standard switching circuits. Over long distances the connections may use copper wires, Optical Fibre or microwave. Generally, the circuits are analogue although they are gradually being converted to digital circuits. In India, normally in dial-up lines the bandwidth available is [...]

By Pranya Kataria|2017-03-15T04:26:12+05:30March 15, 2017|Networking|Comments Off