Caller-ID spoofing is the process of changing the name that comes up on another person's phone when you call them. Caller-ID spoofing software can change the Caller-ID that appears to anything the user wants. One good way to block such practices is to use a service that reveals the true number of the caller.
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Step
Visit a website like Trapcall.com.
Step
Click on "Try Trapcall Free."
Step
Click on "Start free trial." Fill out your information in the boxes once the next page loads. Click "Create Account."
Step
Deny a call that you get that may be caller-ID spoofed. Trapcall will then send you the true number of the caller.
