No more call centers can run without whitelisted their IP address. Because The government is suffering massive financial losses due to the illegal coming of international calls into Pakistan. It is also known as grey traffic. So, PTA has blocked the international calls center due to illegal telecom traffic coming to Pakistan. PTA while ensuring the legalize of ports, directed PTCL and TWA to make preparations for it so that no illegal use of ports take place. It is done through bypassing the legal routes display the correct number with correct country code. PTA long-distance international license PSEB registered. All call centers users and owners must be registered their IP addresses whitelisted immediately from PTA through internet service providers.
The IP address has been listed by Pakistan Telecom Authority along with names, dates or any information for the purpose of the regulations. Otherwise illegal call center is in trouble now due to PTA privacy in Pakistan. So anyone wants to run their international call center in future they must have to do their IP address Whitelisted.