An IP Anschluss Telefon (IP telephone connection) is a telephone that uses the Internet Protocol (IP) to make and receive calls over a data network, such as the Internet. This is in contrast to traditional landline telephones, which use a circuit-switched network. IP phones are typically connected to a broadband router or switch, and they can be used to make calls to other IP phones, as well as to traditional landline telephones.
IP phones offer a number of advantages over traditional landline telephones, including: