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
UASL
Unified Access Services License - The UASL services cover collection, carriage, transmission and delivery of voice and/or non-voice messages over licensee’s network in the designated service area and include provision of all types of access services. Access Service Provider can also provide Internet Telephony, Internet Services and Broadband Services. If required, access service provider can use the network of NLD/ILD service licensee.The access service includes but not limited to wireline and / or wireless and fixed wireless access.
UL
Unified License - The Licensee may establish, operate and maintain Telecommunication Networks and telecommunication services using any technology as per prescribed standards in the service area as per scope of services authorized under this License. In case, the Licensee obtains Access Spectrum, the terms and conditions of the allotment of spectrum regarding use of technology shall be applicable.
UL License
Unified License (UL)
UL-VNO
Unified License for Network Operator (UL-VNO)
UMS services

Unified Media Services

Updating Of Telecommunication Services

means the process of replacing or upgrading an existing SIM or telecommunication services, or changing the details of the user, without any change to the unique telecommunication identifier assigned to such user;

User Terminal (Ut)

or “user equipment (UE)” means a type of telecommunication equipment used by a user to avail telecommunication service provided by an authorised entity;

USO
Universal Service Obligation - NTP’99 provided that the resources for meeting the USO would be raised through a ‘Universal Access Levy (UAL)’, which would be a percentage of the revenue earned by the operators under various licenses.
USR

UHF Handheld Radio (USR) and License is issued by RLOs

UTM

Unregistered Telemarketer" (UTM) means any Sender of commercial communication who is not registered for the purpose of telemarketing with the access provider(s)