End of the Line

On Friday, Luxembourg quietly turned off a piece of technological history. The last EWSD switching exchange was officially decommissioned at the telecom centre in Luxembourg-Gare, marking the end of an era that began in the 1990s.[1]

EWSD, short for Elektronisches Wählsystem Digital, was the digital switching system that replaced electromechanical exchanges across Europe in the 1990s and 2000s. For decades, it handled the routing of every landline call in the country. Now it is gone, and with it, the last vestige of circuit-switched telephony.

Since January 17, all customers have been operating on the new digital system. For users, the transition is invisible: pick up the phone, dial, hear a dial tone. The technology underneath has changed completely, but the experience has not. Landline calls continue as they always have.[1]

The shift is part of a broader migration to an all-IP network. Old copper lines, some dating back decades, are being phased out and recycled. Fibre-optic infrastructure is rolling out in their place. The new network is faster, but the real gain is efficiency: the new system is expected to significantly reduce electricity consumption and the sector's carbon footprint.[1]

There is something poignant about the quiet end of a technology that connected a country for thirty years. The EWSD exchanges never had a ceremonial send-off. They simply worked, day and night, until one Friday they were switched off, and nobody outside the telecom centre noticed. That is perhaps the best compliment for infrastructure: it was so reliable that its absence went unnoticed.