Glossary of terms | Department of Telecom eServices Portal
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Value added services
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
VAS
Testing of Value Added Services (VAS)
Virtual Network Operator

or “VNO” means an authorised entity or licensee providing telecommunication service by entering into mutual agreement with a parent NSO which may provide for:

VNO
Virtual Network Operator
VSAT

means Very Small Aperture Terminal.

VSAT
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
VSAT CUG Service (Satellite based)