The Big Copper Switch Off

Known as “The Big Copper Switch Off” or “BT ISDN Switch OFF”, this switch-off will bring an enormous change in the UK’s phone systems by 2025.

Below we’ll outline everything you need to know about the switch-off and how we’ll be moving forward.

Copper isdn cable

What is PSTN?

PSTN (Public Switched Telephone Network), which was introduced in the 1800s, refers to voice-oriented public telephone networks. This network provides the infrastructure for public telecommunication. Information is transmitted through a serpentine network of copper wires.

For the last two hundred years, this has been everyone’s primary means of telephone communication, but with the rise of VoIP (Voice Over Internet Protocol) and SIP (Session Initiation Protocol), the PSTN is becoming a thing of the past.

What’s replacing ISDN?

As we mentioned above, VoIP has had a significant rise over the years. VoIP allows you to make and receive calls, as well as other multimedia sessions over the internet. VoIP converts your analogue calls into data and then travels over the public or private IP (Internet Protocol) network.

For VoIP to work, we will need SIP trunks, which will enable you to connect your phone systems to the public phone network through an IP system.

So, how is this switch going to happen?

By 2025 all PSTN connections will be terminated. This termination means that we will all be required to switch to either VoIP or SIP. Before ISDN is switched off for good, you will need to port your numbers from one provider to another.

Now is the ideal time to begin your preparations for the switch-off. You will need to consider whether your phone system is IP compatible and due to the heavy reliability on broadband you will need to ensure that you have a secure and stable internet connection.

Depending on the size of your business, this switchover can take some time. It is important to start your preparations ASAP, which is why we would advise you to get in touch to see how we can assist.

What are the benefits of VoIP?

Cost-effective – As VoIP relies on broadband, there is no longer need for expensive line rental which telephone systems rely on.

Convenient – VoIP handsets can be ported wherever an internet connection is available. VoIP can be used on the move or from home, which means business can continue from any location.

Scalability – Growing businesses require systems that grow with them. VoIP means that you won’t be limited to the number of extensions or lines you may have and extra handsets can be plugged into an internet connection anywhere.

Softphone capabilities – Softphones are programmes installed onto your devices which allow you to make calls through your devices. This can cut the cost of additional equipment, and create even greater portability and flexibility.

Woman with headset

Does Citytalk offer softphone technology?

Yes, we do! We recently introduced MiCom Cloud, a fully integrated communication system. MiCom Cloud features an abundance of synthesised communication applications that allow users to call, message, meet and collaborate from anywhere.

MiCom Cloud has many more cool features, why not check them out here.