Telecom service provider, Tata Teleservices (Maharashtra) Ltd (TTML), has for the fifth consecutive quarter been rated as congestion-free, in its circles, according to a report by the Telecom Regulatory Authority of India. Trai, which releases such reports quarterly, gauges the seamless availability of telecom services. The regulator said for the Q1 FY10, TTMLs network has recorded zero congestion across all its Points of Interconnect (POI), a switch which connects subscribers of one service provider to that of another.