For the company i work for there is a problem with google's conversion process. The company has a huge inventory with a even larger number of different items that are constantly in different states; in stock, not in stock, etc. So the website of the company often asks the viewer to call the company to get information about the item they are pursuing. If in stock the transaction will often occur over the phone so to my knowledge google cannot record this as a conversion. So my problem is how to make google record this as a conversion.

As far as I know, google tracks conversion only when you put their conversion code in your successful signup page. So there's no way you can track the conversions over the phone. Maybe observe your clickthrough rate then compare the adwords conversions vs. the daily total conversions you get per day.