Overline

Leading UK Tech and telecoms

The network you have will be gone by 2025. BT announced it will switch off all ISDN lines in a move to get everyone using cloud-based systems and software.

We are here to help you make that switch.

In 2025, BT (British Telecommunications) will shutdown all their ISDN (Integrated Services Digital Network) lines in the United Kingdom. This means that your existing connection box will be redundant. If you still have a PBX (Private Branch Exchange), you will have two options.

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