Detailed Statemetat of Charges Optimal Calling Smite. Astnat AT&T Ona tat. (fl) 181~ SummarY 19. Direct Dialed Calls 16.60 Total Charges for AT&T Os late (It) Plan 16.60 Total Optimal Gallim(] Service. 16.60 Other Charges and Credits amount 20. Universal Connectivity Charge 1.73 21. T