| Abbreviation | Definition |
|---|---|
| RSS | Remote Switching Site |
| RSS | Remote Switching System |
| RSU | Remote Switching Unit |
| RSU | Required Service Utilization |
| RT | Radio Telephony |
| RT | Refuse Transmission |
| RT | Remote Terminal |
| RTAT | Rapid Telecommunications Assessment Team |
| RTB | Remote Telephone Bell |
| RTC | Right To Carry |
| RTCL | Raiyan Telecom Carrier Limited |
| RTCL | Raiyan Telecom/Carrier Limited |
| RTDC | Regional Telecommunication Development Conference |
| RTDF | Rural Telecommunication Development Fund |
| RTDF | Rural Telecomunication Development Fund |
| RTN | Regional Telecommunication Network |
| RTN | Regional Telecommunications Network |
| RTNZ | Rate for Transmission service for a Non-Zone load |
| RTPB | Residential consumer Third Party Billing |
| RTRP | Regional Telecommunications Restructuring Project |