This refers to the editorial “Mixed signals” (December 20). The editorial rightly makes the point that a thorough analysis needs to be carried out before implementing the zero IUC (interconnect usage charge) regime from January 2021. Though the Telecom Regulatory Authority of India believes that traffic symmetry would be achieved by the end of next year, the whole thing can change with the changing market share of telcos, more so when a new service provider comes up or an incumbent operator winds up. Also, given the current distress in the telecom sector, there should be no hurry in introducing the