Fixed-Line Telephone System Vulnerabilities
Mak Ming Tak and Xu Yan, Hong Kong University of Science and Technology
Zenith Y. W. Law, JustSolve Consulting, Hong Kong
Implications of a Secure Fixed-Line Telephone System
Vulnerabilities of Traditional Fixed-Line Telephone Systems
Customer Equipment Vulnerabilities
Telephone Switching Facilities Vulnerabilities
Telephone Signaling Protocol and Standard Vulnerabilities
Value-Added Voice Service Facility Vulnerabilities
Vulnerabilities of the Emerging Telephone Technology
Voice Over Internet Protocol
Countermeasures for Telephone System Vulnerabilities
Countermeasures from the Legal Perspective: The U.S. Case
Countermeasures from the Managerial Perspective
Since their invention in 1876, fixed-line telephone networks have evolved from copper wires to a web of sophisticated fiber optic and digital devices linking people and businesses all over the world. At present, the voice over Internet protocol (VoIP) service is accelerating its pace of diffusion. Owing to growing scale and increasing complexity, the fixed-line telephone system represents serious risk-management issues. The frequency with which unauthorized individuals hack into telephone systems is alarming. As portals to the world community, vulnerabilities inherent in fixed-line ...
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