In 2025, BT is switching off its traditional phone network: this means ISDN and PSTN lines will no longer work. As early as 2020, you will no longer be able to purchase any more ISDN or PSTN capacity from BT, so if your call volumes go up or you relocate, your customer experience will suffer.
Sometimes, we need to destroy the status quo to create a new model of engagement. Sometimes, the market does that for us and that can be even scarier. Change is always scary and overwhelming, especially when it comes to technology. But it is inevitable.