Importance

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Abstract

A unified web-based voice messaging system provides voice application control between a proxy browser having a web browser, and an application server via an hypertext transport protocol (HTTP) connection on an Internet Protocol (IP) network. The proxy browser serves as an HTTP interface for a user device that lacks HTML and HTTP processing capabilites, such as an analog telephone, a cellular telephone, a voice over IP telephone, and the like. The web browser receives an HTML page from the application server having an XML element that defines data for an audio operation to be performed by an executable audio resource within the proxy browser. The audio resource, also referred to as a media resource, selectively executes the HTML tags and the audio operation based on the determined capabilities of the user device. If the user device does not have audio capabilities, the media resource ignores the audio operation, and merely presents the HTML information, assuming the user device has a display. If the media resource determines that the user device has at least a speaker and possibly a microphone, the media resource executes the audio operation based on enhanced audio control specified by the XML element. Similarly, if the media resource determines that the user device does not have a display, the HTML tag information is discarded by the media resource. Hence, a proxy browser can be used by user devices to access enhanced voice control for voice enabled web applications.

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First Claim