Service tax is a tax levied by the government on service providers on certain service transactions, but is actually borne by the customers. It is categorized under Indirect Tax and came into existence under the Finance Act, 1994

Service Set Identifier. the name of a wireless network that helps you connect your device to the right network.

Spectrum Usage Charges - In addition to License Fee, wireless service providers are required to pay Spectrum Usage Charges as a percentage of AGR.

GSM offers three basic types of services: Telephony services or teleservices, Data services or bearer services & Supplementary services. Supplementary services are additional services that are provided in addition to teleservices and bearer services. These services include caller identification, call forwarding, call hold, call waiting, conferencing, number identification, closed user group and barring of outgoing (international) calls

Trial Balance

Telecom Disputes Settlement and Appellate Tribunal. TDSAT is a tribunal that adjudicates disputes and appeals in the telecom sector in India

Telecom Disputes Settlement and Appellate Tribunal

Registered Telemarketer means any Sender of commercial communication who is registered for the purpose of telemarketing with the access provider(s).

Allocation of access codes (prefixed numbering series) to Telemarketer for dialing out as its allicated code

A device that constitutes a point of termination of a communications circuit or channel.Terminal equipment includes all customer premises equipment (CPE), including voice terminal equipment and data terminal equipment (DTE)

Telecom Regulatory Authority of India

Telecom Service Providers (TSPs) 

Test Schedule Test Procedure (TSTP) for Roll Out Obligation

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.

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.

Unified License (UL)

Unified License for Network Operator (UL-VNO)

Unified Media Services

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.

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

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

Value-added service (VAS) is a popular telecommunications industry term for non-core services, or in short, all services beyond standard voice calls and fax transmissions. In the telecommunication industry, on a conceptual level, valueadded services add value to the standard service

Testing of Value Added Services (VAS)

Virtual Network Operator

Very Small Aperture Terminal - VSAT License is to establish, install, operate and maintain VSAT Closed Users Group Domestic Data Network service via INSAT Satellite System on non- exclusive basis within territorial boundary of

VSAT CUG Service (Satellite based)

Wi-Fi Access Network Interface

WEP (Wired Equivalent Privacy) was first security solutions for WLANs that employed encryption

Wireless Finance Division of DoT

World Health Organisation