What is ISDN and PSTN? PSTN stands for Public Switched Telephone Network. It’s the infrastructure behind the traditional telephone lines used in the UK. It is also used for card processing machines, fax machines and other technology. PSTN became the most reliable...
By 2025 BT will be switching off ISDN/WLR networks across the UK. What does that mean for your business and what should you be doing this year to make sure you aren’t caught out? ISDN Closure in 2025 Last year (2018), BT announced that 2025 would mark the complete...
