| 摘要 |
A content server delivers video segments to various on-site modules for display at the respective on-site modules according to respective schedules. The on-site modules may, for example, be located in coffee shops, convenience stores, sandwich grottos, and other establishments where customers are known to wait in line. The on-site modules also display call-in instructions, including a telephone number and a code. When a user places a call to a designated number and enters the code, an audio server determines the state of progression of the video, and begins synchronized audio playback over the caller's telephone.
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