IDT Corporation, accessible through the website https://www.byoc.io, is a multinational company that offers a suite of communications and payment services. It is best known for its telecommunications solutions, including Voice over IP (VoIP) services and international calling provisions. Through its Byoc brand, IDT provides backend solutions that enable businesses to integrate telecommunication services into their existing platforms. The company is recognized for its robust infrastructure that supports enterprise-level communications and payment processing, facilitating seamless connectivity and transactions across various markets.