But competitors close the gap
Chris Paget has built a device that can act as a phone tapping instrument as it can intercept cell phone calls and record everything that's said.
Here you can download PrivateGSM User Manuals & Guides to configure the software in order to make secure mobile phone calls.
User Manual - PrivateGSM
PrivateGSM_manual.pdf (1.4 MB)
Quick Start Guide - PrivateGSM
privategsm_quickstartguide_eng.pdf (559.9 KB)
System Requirements - PrivateGSM
privategsm_sys_req.pdf (208.8 KB)
Technical Sheet - PrivateGSM CSD
techsheet_PrivateGSM_CSD_eng.pdf (587.5 KB)
Technical Sheet - PrivateGSM VoIP
techsheet_PrivateGSM_VoIP_eng.pdf (593.8 KB)
Product Sheet - PrivateGSM
privategsm_flyer.pdf (244.8 KB)
Brochure - Enterprise VoIP Security Suite
Enterprise VoIP Security Suite_brochure_eng.pdf (694.9 KB)
Firewall, VPN, data encryption, encoded backup...While protecting corporate network with such means, organizations often neglect voice channel, leaving the whole communication vulnerable for intrusion. Now, there is a solution: Enterprise VoIP Security Suite.