one of my offices uses auth codes. Their SPRE is 3. They claim to dial 36, then the auth code. I cannot find anywhere in my NTP that 6 is the (I don't even know the word I'm looking for) "digit" you press to access auth codes. For CHARGE codes it did say to press charge or SPRE + 5 so that's telling me five is the ? (don't know the word!) for charge. but what about 6 for auth codes? how can I confirm 6 is the "?" for auth code feature? and if I want them to be able to use 6 for CHARGE (I am going to elimiate the auth codes completely but don't want to confuse them by telling them to now dial 35 instead of 36) can i do that in my FFC table?