Telecom Abbreviations and Acronyms

1. STU
   Signal Transmission Unit
2. STU
   Secure Telephone Unit
3. A/V
   Audiovisual
4. ASTM
   American Society for Testing and Materials (Philadelphia, Pennsylvania)
5. b&g
   Background
6. C/T
   Carrier to Noise Temperature Ratio
7. CAMA
   Centralized Automatic Message Accounting
8. P&O
   Purchase Order
9. R&O
   Receive Only
10. I/O
    Input/Output
11. 3GPP
    Third generation Partnership Project
12. LASA
    Large Aperture Seismic Array
13. SPS
    Superscript
14. W3C
    World Wide Web Consortium
15. D&C
    Direct Current
16. D&C
    Disconnect
17. ACRE
    Authorization and Call Routing Equipment
18. AEW
    Airborne Early Warning
19. AMSI
    Ameritech Message Signal Interface
20. APTG
    Amplifier Probe and Tone Generator Kit

Last updated: October 28, 2020 — Total entries: 29,508