IP Telephony

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.. See complete definition.

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  • Session Initiation Protocol (SIP)

    Session Initiation Protocol (SIP) is a signaling protocol used for initiating, maintaining, modifying and terminating real-time sessions that involve video, voice, messaging and other communications applications and services between two or more ... Continue Reading

  • network protocol

    A network protocol is a set of established rules that dictate how to format, transmit and receive data so that computer network devices -- from servers and routers to endpoints -- can communicate, regardless of the differences in their underlying ... Continue Reading

  • Internet Protocol (IP)

    The Internet Protocol (IP) is the method or protocol by which data is sent from one computer to another on the internet. Continue Reading

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