VoIP and IP telephony

A strong unified communications strategy starts with voice technology. Explore all facets of enterprise telephony, including hardware and devices, architecture, and standards and protocols like SIP and H.323.

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  • A-weighted decibel (dBA or dB(A))

    A-weighted decibel (dBA or dB(A)) is an expression of the relative loudness of sounds as perceived by the human ear. Continue Reading

  • analog-to-digital conversion (ADC)

    Analog-to-digital conversion (ADC) is an electronic process in which a continuously variable, or analog, signal is changed into a multilevel digital signal without altering its essential content. Continue Reading

  • sound wave

    A sound wave is the pattern of disturbance caused by the movement of energy traveling through a medium (such as air, water or any other liquid or solid matter) as it propagates away from the source of the sound. Continue Reading

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