Jammu residents have welcomed proposed installing call blocking system at J&K Jails . The J&K government has approved installation of towers of harmonious call blocking system in all 14 jails of the Union Territory to prevent unauthorized communications from them. The project of installation of a harmonious call blocking system in all 14 jails of J&K for blocking 2G, 3G and 4G signals that could later also be suitable for 5G.