Ars Technica

A rare look inside a telephone exchange

Openreach has released a 360-degree video of a modern and surprisingly tidy exchange. None of this is surprising. COs are almost always spotless enough to eat on any surface, and the wire routing ...
AOL

First telephone exchange closes in digital switchover

The first of 4,600 telephone exchanges earmarked for closure across the UK has been decommissioned. Broadband network Openreach, part of BT Group, has shut The Deddington Exchange in Oxfordshire as ...
Hackaday

The Simplest Electro-Mechanical Telephone Exchange That Actually Works

While rarely seen by users, the technology behind telephone exchanges is actually quite interesting. In the first hundred or so years of their existence they evolved from manually-operated ...