ISDN Switch Off

BT announced back in 2015 that they would be shutting down their ISDN and PSTN services completely by 2025. In this increasingly digital world, none of these technologies can deliver the volume or quality of voice data required.

Voice calls will be made over the Internet in the future (adopted by some businesses today). This is often referred to as VoIP (Voice over Internet Protocol), and it uses newer technologies such as fiber optic connections.

Despite the fact that ISDN has progressed significantly since 1986, the network has stayed mostly intact and is now antiquated.

Broadband internet connections are far quicker and more reliable than ISDN connections.

In other words, ISDN is no longer competitive. Traditional ISDN lines are likewise limited in terms of flexibility.

Physical locations are important to businesses. IP technology is a better alternative to satisfy these objectives, with the shift to cloud-based systems that are scalable and flexible for remote working.

In 2015, BT decided that continuing to enhance the ISDN network was not economically viable.

Successors, VoIP and SIP are both things we do here at GNN Solutions – ready to design, build and deploy bespoke for your business in a matter of minutes. You can see the benefits of VOIP from our Solutions page here or to find out more, get in touch for a quote today.

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