Glossary of terms | Department of Telecom eServices Portal
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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

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

in relation to a VNO means the NSO with which such VNO seeks to enter into, or has entered into, an agreement for providing its telecommunication services;

Peering

means a process by which two or more internet networks connect and exchange traffic, either directly or through IXP, and without having to involve a third internet network;

PMRTS
Public Mobile Radio Trunking Service (PMRTS)
POC
Proof of Concept
Point Of Interconnection

or “POI” has the same meaning as defined in the interconnection regulations under the TRAI Act;

Point Of Presence

or “POP” means a system of telecommunication networks of appropriate capacity established by the authorised entity to provide authorised telecommunication services;

Portal

means the portal notified by the Central Government under sub-rule (3) of rule 2 of these rules;

Prohibited Investor

means a person who falls within any of the following categories:
(i) a person debarred from accessing the capital market by SEBI;
(ii) a person as may be determined by the Central Government when it considers it necessary or
expedient so to do in the interest of national security;
(iii) a person whose authorisation or license, as the case may be, was cancelled on account of default in
compliance with the terms and conditions of its authorisation or license;
(iv) a person who was in control of the person specified under clause (iii) at the time of default or of the
cancellation; and
(v) a person or class of persons as may be identified by the Central Government, from time to time that
are prohibited from holding any equity shares in, or controlling, directly or indirectly, an
authorised entity or licensee, as the case may be;

PSPs
Private Service Providers
PSTN charges
Public Switched Telecom Network charges
Public Land Mobile Network

or “PLMN” means a land based public mobile network;

Public Switched Telephone Network

or “PSTN” means a fixed public telephone network providing a two-way switched telecommunication service;

Public Utility Service

means a telecommunication service, as declared by the Central Government from time to time, for use of general public by access through telecommunication network;