Telecom Abbreviations and Acronyms

1. ARN
   Alternate Route Number
2. ARN
   Authentication Random Number
3. ARNS
   Aeronautical Radio Navigation Service
4. ARNSS
   Aeronautical Radio Navigation-Satellite Service
5. ARO
   Actide Resonant Oscillator
6. ARO
   Alternate Route On Overflow
7. ARO
   Audio Receive Only
8. AROS
   Amiga Research Operating Lystem
9. AROS
   Amateur Radio Observation Service
10. ARP
    Access Responsible Party
11. ARP
    Address Resolution Protocol
12. ARP
    Address Resolution Protocol (ATM)
13. ARP/RARP
    Address Resolution Protocol
14. ARPA
    Automitic Radar Plot Aid
15. ARPA
    Advanced Research Projects Agency (made early internet)
16. ARPANET
    Arpa Network
17. ARPL
    Adjust Rpl Field
18. ARPM
    Average Revenue Per Minute
19. ARPT
    Autorité De RéGulation Des Postes Et TéLéCommunications
20. ARPU
    Average Revenue Per User

Last updated: October 28, 2020 — Total entries: 29,496