VXML – Voice Extensible Markup Language

Voice Extensible Markup Language (VXML) or VoiceXML is a technology that allows a user to interact with the Internet through voice-recognition technology. Instead of a traditional browser that relies on a combination of HTML and keyboard and mouse, VXML relies on a voice browser and/or the telephone.

Using VXML, the user interacts with voice browser by listening to audio output that is either pre-recorded or computer-synthesized and submitting audio input through the user’s natural speaking voice or through a keypad, such as a telephone.

AT&T, IBM, Lucent Technologies, and Motorola created VXML 1.0 in a joint effort to promote the technology.

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