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A Future without ISDN.

Oct 31, 2016, 4:30:00 AM / by Chris Townsend

Chris Townsend

It's the beginning of the end for ISDN usage in the UK, we take a look at how these changes will affect the Video Collaborations market.


 What is it?

For those who don’t know, ISDN stands for an Integrated Services for Digital Network. It allows for the digital communication of voice, video, data, and network services simultaneously over traditional public telephone networks. ISDN integrates speech and data on the same line and added features that were not available on classic telephone systems.

Why was it used for Video Conferencing?

There were several advantages to using ISDN for Video Conferencing:

  • First and foremost ISDN has been used for video in areas IP networks were not available, these would have mostly been remote locations
  • Available where ever a phone service is available.
  • Lower procurement costs. ISDN lines offered lower bandwidth usage
  • Great back-up to any IP Networks
  • A separate network, meaning any Video Communication use would not have affected other network services such as voice, for example.
  • There is enough bandwidth over multiple lines to hold calls with multiple people.

Where's it going?

British Telecom announced they intend to shut down ISDN in the UK by 2025. When asked about retiring the system BT explained that they currently serve thousands of business customers in using IP, their goal, by 2025, is to offer all of their voice customers service via IP and migrate away from traditional telephone platforms. 

What's the replacement?

BCS Global's Cloud-based Video Conferencing services entirely replace the need for video over ISDN. Our services are ideal to position towards customers that are aiming to move away from ISDN services. Cloud hosted Video Conferencing systems mean both your network and hardware are based away from you at a secure location all over an IP infrastructure. Providing your users with high-definition, multipoint collaborative video over any device.

Topics: Blog

Chris Townsend

Written by Chris Townsend

Marketing Specialist, London Office