IP telephony [ edit ] Main article: Voice over IP A commercial IP telephone, with keypad, control keys, and screen functions to perform configuration and user features. The field of technology available for telephony been broadened with the advent of new communication technologies. Telephony now included the technologies of Internet services and mobile communication, including video conferencing. The new technologies based on Internet Protocol (IP) concepts are often referred to separately as voice over IP (VoIP) telephony, also commonly referred to as IP telephony or Internet telephony. Unlike traditional phone service, IP telephony service is relatively unregulated by government. In the United States, the Federal Communications Commission (FCC) regulates phone-to-phone connections, but says they do not plan to regulate connections between a phone user and an IP telephony service provider. [ citation needed ] A specialization of digital telephony, Internet Protocol