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It is no secret, if you're in collusion with FIA and other parties involved (PTA included) - you can end up running a VoIP exchange. This is one of those things that people simply do not talk about, but know it is there.
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To: <telecom-gr...@googlegroups.com>
Subject: Re: FIA busts network of illegal international gateway exchanges
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You'll have Skype detection, but then it will start tunneling in Port 80 and other known protocols or GRE / VPN it P2P style, then there is nothing you can do about it. Skype is 'notorious' for changing their alogrithms so that DPI companies have a hard time detecting it. Those that can detect it - is all that they can do. IPDR is not available for the Party A/Party B scenario in Skype.
Today Grey traffic tomorrow Skype.... (call me skeptical, call me a pessimist - but all bets are off when it comes to these spooks).
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To: <telecom-gr...@googlegroups.com>
Subject: Re: FIA busts network of illegal international gateway exchanges
Illegal gateway exchange seized during raid
ISLAMABAD: Pakistan Telecommunication Authority (PTA), in collaboration with Federal investigation Agency (FIA) officials has busted another illegal international gateway exchange here, making a total tally of six within two months. Official press release issued here on Thursday revealed that this particular illegal gateway exchange was operational in a posh locality of F – 7/2, Islamabad and was being operated by Pakistani and foreign nationals. The highly professional team of the PTA was able to recover a number of gateways and machines being used to bypass the legal route. staff report