Section 40: International Operator Calls Part 2: Collect Calls: OpDate: 01-01-2012 | |
Section 40: International Operator Calls Part 3: International Call Connection (Station-to-Station Calls): OpDate: 01-01-2012 | |
Section 40: International Operator Calls Part 1: Operator Call Charges: OpDate: 01-01-2012 | |