Glossary of terms | Department of Telecom eServices Portal
Beta
What's New
  • NEW Applications for new Radio Equipment Possession Authorisation under the Radio Equipment Possession Authorisation Rules, 2026, have been enabled on the Authorisation Portal with effect from 06.08.2026.
  • NEW Applications for Captive Telecommunication Services Authorisations of licenses as per new Telecommunication rules 2026 have been enabled.
  • NEW Applications for Miscellaneous Telecommunication Services Communication Authorisations and Migration of licenses as per new Telecommunication rules 2026 have been enabled.
  • NEW Applications for new NSO, VNO authorisations and Migration of licenses as per new notified rules 2026 have been enabled.
  • NEW 2-factor login will come in Saral Sanchar from 1st August
DOT Mitra

Glossary of terms

Glossary of terms

A B C D E F G H I K L M N O P Q R S T U V W
Revenue sharing regime
New Telecom Policy - 99 introduced the 'Revenue Share Regime' in which telecom service providers, in place of the fixed license fee were required to pay a percentage of their Adjusted Gross Revenue (AGR) as licence fee
RF frequency

Radio frequencies (RF)

RLO
Regional Licensing Office- Regional Office Units of WPC (for North, South, East and West Zones)
Roaming

means a telecommunication service that allows mobile terminal users to continue to use the telecommunication services subscribed in its home network, while travelling outside the geographical coverage area of the home network, by means of using a visited network;

Roaming charges
Roaming is the ability for a cellular customer to automatically make & receive voice calls, send & receive data, or access other services when traveling outside the geographical coverage area of the home network, by means of using a visited network. The charges for this facility is Roaming charges
RoW

Right of Way

RTR

The Radio Telephony Restricted (Aeronautical) license – permits Air Crew and Engineers to use the necessary wireless equipment in order to communicate with Air Traffic Control (ATC) or ground stations. Wireless Planning & Coordination (WPC) Wing issue this license.