Adding on-hook security features to the regular J179 makes it the ideal device for government agencies and contractors that often need full confidence that telephones cannot be overheard or intercepted.
Modification or reconfiguration of existing components
• Installation of a clandestine technical surveillance device
• Application of externally generated electrical voltages or control
signals onto the telephone line
• Modification of the telephone equipment or control unit software
Adding on-hook security features to the regular J179 makes it the ideal device for government agencies and contractors that often need full confidence that telephones cannot be overheard or intercepted.