The BT Openreach PSTN Switch Off
What's the PSTN and ISDN Switch-Off? The Public Switch Telephone Network is getting older and will be ending its life cycle in December 2025. Openreach products are supported by the PSTN. Communication Providers, ( CPs), purchase these products at regulated prices and sell them to consumers and businesses. These packages include line rental, broadband, and call package deals. These include: Wholesale Line Rental, (WLR), and Integrated Services Digital Network) . ISDN2 allows you to have either 2 or 8 ISDN channels. ISDN30 is available for larger businesses. It allows you to have up to 30 ISDN channels per service. One ISDN channel can provide 1 concurrent call to a customer. Traditional telephony will cease to be available at the end of December 2025, which includes fixed lines as well as services in the Public Switch Telephone Network. Why will Openreach end its PSTN and ISDN networks in December 2025, The Public Switch Telephone Network is also known as traditional t