ISLAMABAD : PTA has announced that it would block all IP addresses if these were not whitelisted. In this regard, the Authority has informed all companies authorized to bring international incoming calls to Pakistan to get their IP addresses whitelisted by PTA immediately to avoid any interruption. If IP addresses are not reported to PTA for whitelisting as per the prescribed procedure they would be blocked without any further notice.  Moreover, the PTA said a legal action would be initiated against the companies involved in use of IP addresses for termination of any sort of international incoming calls as per provision of laws of land.

An official at PTA on Sunday said the Authority has further strengthened process of monitoring the grey traffic with installation of Grey Traffic Monitoring System (GMTS) which has started monitoring the bandwidth to detect and block illegal international incoming voice calls to save billions of rupees loss incurred to national exchequer.

The official said PTA has also narrowed down the whitelisting of IP addresses being used for legal services for efficient utilization of newly deployed System. In this context, all IP addresses which are not registered with PTA would be considered as black listed IPs and shall be blocked with immediate effect.  The IP addresses of authorized telecom users like International Clearing House (ICH), Call Centers, Video Conferencing etc. are being whitelisted in the monitoring system, he added.  Moreover, the Authority in collaboration with Federal Investigation Agency (FIA) has conducted 112 raids and confiscated 711 illegal gateways. These raids are being carried out under the special campaign launched by PTA to curb grey

telephony.