Mechanisms are provided for delivering command functionality such as out-of-band data to a mobile device in a media stream. A media stream may be divided into multiple portions. One or more portions are modified to include command functionality. The command functionality associated with the media stream...http://www.google.com.tw/patents/US20080248782?utm_source=gb-gplus-share專利 US20080248782 - Providing Devices With Command Functionality in Content Streams
