| 摘要 |
A telephony service provider-based system and method to disconnect and prevent unwanted phone calls such as unsolicited telephone sales calls, harassment calls, prank calls, rude calls, and the like, comprising apparatus for bi-directional telephony, and methods for a user receiving an unwanted phone call to send a control signal to a telephone service provider in order for the service provider to then play back a message which, will dissuade the caller from calling again and will automatically terminate the call. Another embodiment permits a user to playback engaging and entertaining messages of his or her choosing by pressing one or more buttons on a telephone keypad.
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