HPR4441: Voice Over IP

Hacker Public Radio

Voice over Internet Protocol (VoIP), also known as IP telephony, is a set of technologies used primarily for voice communication sessions over Internet Protocol (IP) networks, such as the Internet. VoIP enables voice calls to be transmitted as data packets, facilitating various methods of voice communication. Voice over IP - https://en.wikipedia.org/wiki/Voice_over_IP Plain Old Telephone System (POTS) - https://en.wikipedia.org/wiki/Plain_old_telephone_service Retirement of circuit-switched public switched telephone network (in the UK) - https://en.wikipedia.org/wiki/Telephony_copper_plant_retirement_in_the_United_Kingdom Session Initiation Protocol (SIP) - https://www.ietf.org/rfc/rfc3261.txt Network Address Translator (NAT) - https://datatracker.ietf.org/doc/html/rfc2663 Session Traversal Utilities for NAT (STUN) - https://datatracker.ietf.org/doc/html/rfc5389 Voice over IP Companies - https://en.wikipedia.org/wiki/List_of_VoIP_companies Voice over IP Hacking - https://en.wikipedia.org/wiki/VoIP_vulnerabilities