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Design and Application of SCM-Based Caller Information Identification System
Abstract:
This paper utilizes STC11F04 SCM and dedicated decoder chip to build DTMF / FSK dual system caller information identification system, elaborately describes the design principles and the structure of the decoder. The decoder passes telephone caller information into the computer via USB bus and combines with the database query functions and SMS gateway to realize Caller ID Screen Popup and hang-up SMS functions.
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69-74
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Online since:
January 2013
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© 2013 Trans Tech Publications Ltd. All Rights Reserved
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