<style face="normal" font="default" size="100%">PRETTY (Private Telephony Security) - Securing the Private Telephony Infrastructure</style>

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0<style face="normal" font="default" size="100%">PRETTY (Private Telephony Security) - Securing the Private Telephony Infrastructure</style><style face="normal" font="default" size="100%">PRETTY (Private Telephony Security) - Securing the Private Telephony Infrastructure</style>