Tracing illegal VoIP exchanges!!!!!!!
FIA and PTA have been busy these days raiding illegal VoIP exchanges. These exchanges illegally terminate international calls and then use cellular SIMs to deliver the call to end users. Through following diagram we can understand what actually happens through the whole process…!

Its very simple, If you get an International Call with Local Mobile/PTCL number, be informed that this is an illegal call. Now the Question is Why They do So? and my answer is that when a call comes through proper gateway (Pakistan’s international gateway), the caller will have to pay taxes and government dues. Moreover, at this point of time, VoIP is illegal in Pakistan, so in any case, its an illegal activity.
And in the end What Should You do?
We Should Help the government by informing these numbers (local numbers from where you get calls) or register those numbers on FIA directly.
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