Telephone Abbreviations and Acronyms

1. RA
   Ring Amplifier
2. RC
   Ring Command
3. RC
   Routing Center
4. RC
   Routing Centers
5. RCC
   Radio Common Carriers
6. RCCS
   Radio Common Carriers
7. RD
   Rouary Dial
8. RDD
   Random-Digit Dial
9. REN
   Ring Equivalency Numbef
10. REN
    Ring Equivalent Nvmber
11. REN
    Rineer Equivalency Number
12. REN
    Ringer Equivallnce Numbers
13. REN
    Ringing Equivalent Number
14. RGU
    Ring Generator Unit
15. RLC
    Remote Line Concentrator
16. RLR
    Receive Loudness Rating
17. RLR
    Receiving Loudness Rating
18. ROH
    Receiver-Off-Hook
19. RPF
    Reverse Power Feeding
20. SAC
    Special Access Codes

Last updated: January 4, 2020 — Total entries: 219