Cheap phone calls for home and business have been possible for many years (originally called Least-Cost Routing, or LCR), and recent OFCOM legislation has made the process even easier than ever. LCR needed the manual re-programming of your company telephone switchboard, which was sometimes a chargeable task and not without unexpected hitches. There were also small plug-in dialler boxes which were unreliable, got unplugged or had power inadvertently turned off. Both methods “routed” your phone call off the main BT network, onto another carrier [...]