That shed's more light on the matter...just have to play around with CUCM a bit to reinforce the concepts. Thanks guys!

Okay thanks guys! But what about everything else i.e. what is the entire hierarchy for the whole dial plan e.g. called/calling party transformations, external phone masks, etc?

HiCan someone please give more details regarding how this works already? Instead of just referrring us to a massive chapter (like looking for a needle in a haystack) or at least give a sub-heading to make it easier to find the info. I looked at this ...