IP Telephony

IP telephony (Internet Protocol telephony) is a general term for the technologies that use the Internet Protocol's packet-switched connections to exchange voice, fax, and other forms of information that have traditionally been carried over the dedicated circuit-switched connections of the public switched telephone network (PSTN).. See complete definition.

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  • electret microphone

    An electret microphone is a widely-used electronic communications and audio recording device. The devices are a type of condenser microphone. Continue Reading

  • microphone

    A microphone is a device that translates sound vibrations in the air into electronic signals or transmits them to a recording medium. Continue Reading

  • VoIP (voice over IP)

    VoIP enables voice and multimedia communications, such as phone calls, over the internet and other IP-based networks, and allows enterprises to operate a single voice and data network. Continue Reading

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