Full formTechnology
LDIstands forLong Distance International
Full Form of LDI
What is LDI?
LDI stands for Long Distance International, a term widely used in the Indian telecommunications sector to refer to international long-distance calling services and the associated network infrastructure. In India, LDI services are operated by major telecom providers such as BSNL, Airtel, Vodafone Idea, and Reliance Jio, enabling users to make voice calls to other countries. These services rely on dedicated gateways and interconnections with foreign telecom networks, often involving both traditional circuit-switched and modern VoIP technologies. LDI is commonly mentioned in the context of telecom licensing by the Department of Telecommunications (DoT), which issues Unified Access Service Licenses covering LDI operations. The term appears in customer plans, call rate tariffs, and industry reports on international traffic. For students appearing in telecom or general knowledge exams (like those for BSNL or TRAI), understanding LDI is important as it differentiates from domestic long-distance (STD) and helps grasp the flow of global voice communication. LDI usage has evolved with the rise of internet-based calling apps, but it remains relevant for carrier-grade international connectivity in India.
LDI का फुल फॉर्म
लॉन्ग डिस्टेंस इंटरनेशनल
Example
BSNL offers competitive LDI rates for calls to the USA and Canada under its promotional plan.
LDI — frequently asked questions
What is the full form of LDI?
The full form of LDI is Long Distance International, which refers to international long-distance telecommunication services in India.
How is LDI different from ISD?
LDI denotes the network infrastructure and service for international calls, while ISD (International Subscriber Dialling) is the dialling prefix method used to make such calls.
Which Indian telecom companies provide LDI services?
Major Indian telecom providers such as BSNL, Airtel, Vodafone Idea, and Reliance Jio offer LDI services through their international gateways.