Nortel DMS100 public voice exchange.bmp
<a href="//commons.wikimedia.org/w/index.php?title=User:Mudares&amp;action=edit&amp;redlink=1" class="new" title="User:Mudares (page does not exist)">Mudares</a> 22:13, 8 August 2007 (UTC)
CC BY 2.5
own work (own picture, taken in a Central Office in ~1999)