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Explore the persistent problem of spam calls in this 24-minute podcast episode featuring TelcoBridges CEO Maximilien Le Sieur and VP of Client Technical Services Luc Morissette. Discover how the evolution from landlines to mobile networks, combined with automation and SIM access, has transformed fraud tactics and enabled widespread spam calling. Learn about the fundamentals of telephone numbering systems, including number allocation processes, portability mechanisms, and how these systems create opportunities for number spoofing. Examine current anti-fraud technologies and regulations, including blacklist systems, STIR/SHAKEN authentication protocols, and FCC robocall prevention rules. Understand how DNO (Database Number Optimization) databases work and explore TelcoBridges' integration with Somos DNO data to help service providers block unallocatable calls directly at network edges through Session Border Controllers and media gateways. Gain insights into layered defense strategies, simple implementation fixes, and future developments in telecommunications fraud prevention for service providers seeking to protect their networks and customers from unwanted calls.
