Since 1983 when Hollywood introduced "Wardialing" to the public, there has been little change in the methods involved. While some pieces of hardware attempted to take it beyond what was essentially a telephonic "ping" scan, the methods and technology didn't maintain that momentum. However, thanks to modern computing and open source software tools, we are now able to cartograph an entire phone exchange in one pass while discerning voice, tones, faxes and modems. With some creative processing, it might be taken even farther into speech recognition