Sending Sms using Captcha
2016-08-23
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Short message spam brings so much trouble to the users, and the volume of Short message spam becomes more and more large, especially the function of group Sending is used in short message. This paper proposes a method to filter short message spam of group sending, in other words, it utilizes CAPTCHA (Completely Automated Public Turing test to tell Computers and Human Apart) method to filter short message spam. If the Short Message Service (SMS) can pass the CAPTCHA, it will be identified as legitimate SMS and transmitted by Short Message processing Center. Conversely, if the SMS
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