(Amadeus Passenger Travel Reservation Architecture) is the next-generation reservation and inventory management system for airlines. Unlike its predecessor (APTRA Classic), Advance is built on a more flexible, customer-centric model. It supports:
It also guides how to parse and interpret status messages, including specific command reject messages. For example, if a message is rejected, the manual describes how to use tables within its pages to determine the exact reason by analyzing status information fields. aptra advance ndc reference manual
When a hardware fault occurs, the ATM generates specific diagnostic codes detailed in the manual. if a message is rejected