Glossary of terms | Department of Telecom eServices Portal
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A B C D E F G H I K L M N O P Q R S T U V W
MSC
Mobile Switching Centre- MSC is the acronym for Mobile Switching Center, a core part of the GSM/CDMA network system that connects calls and provides services to mobile subscribers.
MTCTE

MTCTE Portal is the online platform for mandatory testing and certification of telecom equipment in India. It involves designation of domestic and recognition of foreign conformity assessment bodies.

National Long Distance (Nld) Network

is a type of telecommunication network which carries bearer telecommunication traffic between two telecom circle or metro service areas or provides domestic bandwidth or leased circuit within the boundaries of the national service area;

National Long Distance (Nld) Service

means a type of telecommunication service provisioned over the NLD network;

NCLT and NCLAT

National Company Law Tribunal (“NCLT”) and National Company Law Appellate Tribunal (“NCLAT”) were established as a part of reforms in India’s Company Law and as a part of reforming Companies Law

NCSC

National Cyber Security Coordinator (NCSC)

NDPL

Non Dealer Possession License for Storage, inventory of wireless equipment's. WPC provides such licenses

Network Service Operator

or “NSO” means an authorised entity or licensee providing telecommunication service by establishing, operating, maintaining, or expanding telecommunication network for the relevant telecommunication service;

Networth

shall have the meaning given to the term in sub-section (57) of section 2 of the Companies Act, 2013;

NIB
National Internet Backbone
NLD

National Long Distance (NLD) Service - National Long Distance (NLD) service refers to the carriage of switched-bearer telecommunications services over a long distance network i.e., a network connecting different short distance charging areas (SDCAs)

NNP
National Numbering Plan (NNP)
Non-Terrestrial Networks (Ntn)

means telecommunication networks or its segments that use either Uncrewed Aircraft Systems (UAS), including High Altitude Platforms (HAPs), or satellites in different constellations, to carry a transmission equipment relay node or a base station;

NRMS
Numbering resource management module (NRMS)
NSDT
 National Security Directive on Telecom (NSDT) 
NSWS
National Single Window System (NSWS) (common National IT Platform)
NTP
National Telecom Policy
NTP-94
National Telecom Policy-1994
NTP-99
New Telecom Policy-1999
OPEX
Operating Expenditure
OSP
Other Service Providers (OSPs)
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