As telephone engineers we often spot some weird and wonderful phone systems, sometimes the clients ‘comm’s’ room still have old phone systems hanging on the walls dating back to the early 1980’s, sadly some are even plugged into the mains as no-one knows what they are or what they do.


The thing is whilst things are working well there is little reason to change anything, if it works don’t fix it is often the thought behind doing nothing.


As it happens things have moved on, dramatically.  Just lik...

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