Summary:
Some call centres and matrimonial portals are suspected to have been using illegal SIM boxes to route international calls and minting money. The STF has kept a close watch on any such unauthorized SIM box use or illegal telephone exchange,” the STF’s SP Rahul P R told TOI. “We have the technology to monitor cellular traffic to trace unauthorized use of SIM boxes. Recently, we shared information about illegal activities in some private companies with the STF,” a DoT official said. He said the STF would provide necessary assistance to the DoT if inter-district or inter-state coordination was required.The STF said SIM boxes might be be used by anti-socials as well..