Free Open Source PBX For Small Businesses

Free Open Source PBX For Small Businesses

Before There Were PBX Systems Telephone Switching devices have been around us since the late 1950’s with Western Electrics 18 button Call Director. This system used a rotary dial interface sending electrical pulses down a copper wire to a switching machine. Variations continued right up into the early 1980’s. PBX Systems 32 Years Ago AT&T made the