Telecom Regulatory Authority Of India - Subsection
Section 1(ii) in The Telecommunication Interconnection Usage Charges Regulation, 2003
(ii)The regulation shall cover arrangements among service providers for payment of Interconnection Usage Charges, for Telecommunication Services, covering Basic Service that includes WLL (M) services, Cellular Mobile Services, and Long Distance Services (STD/ISD) throughout the territory of India.
