| 摘要 |
Apparatus and methods are disclosed that enable an interactive voice response (IVR) system to deliver content streams of various media types (e.g., video, audio, etc.) to telecommunications terminals via the addition of extensions to the Voice extensible Markup Language (VXML). The IVR system will deliver a particular content stream to a terminal only if: (i) the terminal has a transducer (e.g., speaker, video display, etc.) that is capable of outputting the content stream's media type, and (ii) that transducer is currently enabled.
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