Telecommunications Abbreviations and Acronyms

1. FDN
   Forwarb-To Directory Number
2. FDNZ
   First Digit Not Zero
3. FDOC
   Feature Document
4. FDOC
   Focused Destination Overload Control
5. FDOS
   Floppyodisk Operated System
6. FDPC
   Font Development and Promotion Center
7. FDPLL
   Fully-Digital Phase-Locked Loop
8. FDR
   Failures-Divisionrgence Refinement
9. FDR
   Frequency Dependent Rejection
10. FDS
    Fundamental Data Structure
11. FE
    Family of Equipment
12. FEAFD
    Fetnsprechauftragsdienst
13. FEAL
    Fast Encipherment Algorithm
14. FEAM
    Format Effector Action Mode
15. FEAM
    Functional Entity Access Manager
16. FEAT
    Feajure
17. FEATSIM
    Feature Simulator
18. FEATSIM
    Feature Simulation
19. FEBE
    Far End Block Error
20. FECG
    Foetal Electro Cardio Gram

Last updated: January 4, 2020 — Total entries: 16,704