A Brief Explanation of ISDN
Qualities and Unique Features
An Integrated Services Digital Network (ISDN) is a telecommunications technology that enables the transmission of digital data over standard phone lines.
It can be used for voice calls as well as data transfer. Also, it can operate over copper based systems and allows the transmission of digital data over the telecommunication networks, typically ordinary copper based systems and providing higher data speeds as well as better quality than analogue transmission.
Therefore, ISDN specifications provide a set of protocols that enable the set up, maintenance and completion of calls.
ISDN Advantages Over Analogue Systems
As a result, it enables two simultaneous telephone calls to be made over the same line simultaneously.
Hence, faster call connection. It typically takes a second to make connections rather than the much longer delays experienced using analogue based systems.
Seems like, data can be sent more reliably and faster than with the analogue systems.
So, noise, distortion, echoes and crosstalk are virtually eliminated. Sounds great?
Furthermore, the digital stream can carry any form of data from voice to faxes and Internet web pages to data files – this gives the name ‘integrated services’
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