Ring, Ring: Protecting Telephone-Based Payment Card Data
Integrated Services Digital Networks (ISDN) and Public Switched Telephone Networks (PSTN) are no longer the primary transmission path for basic voice or telephone signaling. In fact, according to statistics within a 2018 report released by the Federal Communication Commission (FCC), the use of Voice over IP (VoIP) solutions has dominated the US market since 2016. […]
