Glossary of terms | Department of Telecom eServices Portal
Beta
What's New
DOT Mitra

A B C D E F G H I K L M N O P Q R S T U V W
Access Service

means the telecommunication service provided by an authorised entity to users for conveyance of voice or non-voice messages through wireline or wireless telecommunication network, and the words “wireline access service” and “wireless access service” shall be construed accordingly;

Access Services

Access Services (AS) is the collection, carriage, transmission and delivery of voice and/or non-voice messages over Licensee's network by deploying circuit and/or packet switched equipment

Access Spectrum

means the spectrum assigned to an authorised entity for conveyance of voice or non-voice messages between user terminal (UT) and base station;

Act

means the Telecommunications Act, 2023 (44 of 2023);

AGR
Adjusted Gross Revenue - AGR is Gross revenue reduced by permissible deductions (i.e. PSTN related call charges paid to other telecom service providers for carriage of calls (IUC)/Roaming and service/sales tax actually paid to the Government,as per the license agreement
AML

AML (Areo (Aircraft) Mobile Station License)-A mobile service between aeronautical stations and aircraft stations, or between aircraft stations

AoA

Articles of Association

ASOC

Amateur Station Operator's Certificate or ASOC is the examination that needs to be passed to receive an amateur radio license in India.

Authorisation Fee

means a fee payable by an authorised entity at rates and intervals for the duration of the authorisation as specified in these rules;

Authorised Agency

means: (i) for interception of messages, the authorised agency as defined under Telecommunications (Procedures and Safeguards for Lawful Interception of Messages) Rules, 2024; and

Base Station

means a fixed radio transmitter and receiver station, which provides a link between the user terminal and core telecommunication network;

Basic Services
A Service Provider must offer customers the ability to place and receive voice-grade calls over all distances utilizing the public switched telephone network or successor network
Bearer Service

means a telecommunication service that allows transmission of message between network interfaces, that provide users the capacity required to transmit messages between certain access points referred to as user network interfaces and the phrase “bearer telecommunication traffic” shall be construed accordingly;

Bluetooth

Is an industrial specification for wireless personal area networks (PANs). Bluetooth provides a way to connect and exchange information between devices like personal digital assistants (PDAs), mobile phones, laptops, PCs, printers and digital cameras via a secure, low-cost, globally available short range radio frequency

Broadcasting Services

means the dissemination of any programme(s) through terrestrial or satellite communication medium or a combination of both, intended to be received by users either directly or indirectly, and all its grammatical variations and cognate expressions shall be construed accordingly;

BSC
Base Station Controller-The BSC is responsible for managing and controlling multiple Base Transceiver Stations (BTS) within a given area
BSOs
Basic Service Operators - They were permitted to offer “limited-mobility” services over Wireless Local Loop (WLL (M)) using CDMA technology in their coverage areas
BTS
Base Transceiver Stations (BTS) is a wireless communication equipment that connects user devices and a network
BWA
Broadband wireless access
CA

Chartered Accountant

Cable Landing Station

or “CLS” means the station where fibers of the international or domestic submarine cable gets terminated and it houses the Submarine Line Terminating Equipment (SLTE) and Power Feeding Equipment (PFE);

Cable Landing Station-Point Of Presence

or “CLS-PoP” means a type of CLS, where some fiber pairs of the submarine cable extended from the CLS are terminated and it houses SLTE;

Call

means a connection established by means of telecommunication that enables voice communication;

Call Charges
Call charges are variable and are used to pay for the cost of the equipment to route a call from the caller's exchange to the recipient's exchange.
Calling Line Identification

or “CLI” means the identity of the calling or originating user in terms of the telecommunication identifier assigned or any other identification as may be specified by the Central Government from time to time;

CAPEX
Capital Expenditure
Captive Non-Public Network

or “CNPN” means a terrestrial wireless telecommunication network established for captive use within a specified geographical area, which cannot be used for providing commercial or public telecommunication services to users.

Captive Telecommunication Services

means captive telecommunication services as identified and authorised under the Telecommunications (Authorisation For Provision of Captive Telecommunication Services) Rules, 2025;

Carrier Service
Provision of wired or wireless facilities to originate, terminate or transit calls, charging for interconnection, settlement or termination of domestic or international calls, charging for jointly used facilities including pole attachments, charging for the exclusive use of circuits, a leased circuit or a dedicated link including a speech circuit, data circuit or a telegraph circuit
CBuD

Call Before you dig portal