Final answer:
VoIP, or Voice over Internet Protocol, transforms a standard Internet connection into a tool for making phone calls, including cost-saving long-distance and video calls.
Step-by-step explanation:
VoIP (Voice over Internet Protocol) is a form of voice-based Internet communication that turns a standard Internet connection into a means to place phone calls, including long-distance calls. VoIP technology has vastly improved telecommunications by offering cheaper, faster, and better-quality data transmission. This innovative technology allows for cost-effective ways to manage long-distance connections and enables free Internet-based calling and video calling, presenting a significant shift from traditional telephone services to digital communication.