IP telephony (Internet Protocol telephony) is a general term for technologies, products and services that use the Internet Protocol's packet-switched connections to support voice calling, voicemail, video calling, video conferencing, faxing and instant messaging (IM).

Voice over Internet Protocol (VoIP), [a] also known as IP telephony, refers to a set of technologies used for voice communication sessions over Internet Protocol (IP) networks, such as the Internet. [2] .

IP telephony (Internet Protocol Telephony) refers to any phone system that uses an internet connection to send and receive voice data. Unlike a regular telephone that uses landlines to transmit analog signals, IP phones connect to the internet via a router and modem.

2024年6月10日 · Internet Protocol or IP telephony refers to any phone system which uses an internet connection—rather than the traditional Public Switched Telephone Network (PSTN)—to facilitate calls. IP telephony arrived on the market in 1995, causing massive changes in the telecommunication industry.

2020年11月16日 · IP Telephony (Internet Protocol Telephony) is the term used to describe data communications which exchange phone calls, voice, fax and other forms of communications over the internet.

IP telephony (Internet Protocol telephony) is a general term for technologies, products and services that use the Internet Protocol's packet-switched connections to support voice calling, voicemail, video calling, video conferencing, faxing and …

2021年6月11日 · IP Telephony is a broader term that encompasses the full set of technologies, products, and services that use the Internet Protocol (IP) to support various forms of communication, including voice calling, voicemail, video calling, video conferencing, faxing, and instant messaging (IM).

The two-way transmission of voice over a packet-switched IP network, which is part of the TCP/IP protocol suite. The terms "IP telephony" and "voice over IP" (VoIP) are...

2024年12月2日 · IP telephony (Internet Protocol telephony) refers to technologies that use various kinds of protocols to exchange voice, fax, and other types of information, which are often transmitted over the Public Switched Telephone Network (PSTN).

2024年6月3日 · IP telephony uses digital protocols to transfer communications over the internet, bypassing the traditional Public Switched Telephone Network (PSTN). This technology can be used to make and receive voice and video calls, instant messaging, and to exchange other kinds of data. Users can also participate in voice and video conferencing.