Use a white list to only allow SPECIFIC phone numbers to call into a given line. All phone companies should all the creation of a White List, this would stop ALL calls except the specific numbers you want.
Updates David Fisher started this project — Mar 21, 2014 06:17 PM EDT Leave feedback in the comments! Log in or sign up for Devpost to join the conversation.
David Fisher started this project — Mar 21, 2014 06:17 PM EDT Leave feedback in the comments! Log in or sign up for Devpost to join the conversation.
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