ATP
[1] Acceptance Test Procedure(s)[2] Automated Test Plan
[3] AppleTalk Transaction Protocol - Anwendungs-zu-Anwendungs-Protokoll innerhalb eines AppleTalk-Netzes mit Fehlerkorrektur oberhalb von DDP
[4] Airline Transport Pilot (highest Grade Of Pilot Certificate) \{Luftfahrt\}
[5] All Tests Pass
[6] As Time Permits
[7] Advanced Telecom Platform - Großrechner für Telco's ( SMSC's)