There is some debate over whether or not TrapCall works on spoofed calls. Spoofing is when a caller disguises their number to make it look like they are calling from a different number. Some people believe that TrapCall does not work on spoofed calls because the caller's number is not shown on the recipient's phone. However, others believe that TrapCall still works even if the caller's number is hidden because the call still goes through the caller's phone provider.