We have a Norstar MICS telephone system. Each phone has a "pool" feature button which allows user to make outside calls. Some phones only need dial one "9" other users must dial two "9"s (we have centrex service requiring an additional 9). I checked internal configurations on both types of features and there is no difference, however I cannot get our current users to dial only one 9 when making an outside call. When I display the programming on the feature button, the phone that requires 2 "9", shows the 7-digit trunk number, the phone that doesn't require 2 "9"s, shows "pool 9" and no 7 digit number. How do I change certain phones to only have to access one "9