Anonymous callers lose their hiding place

The New Jersey company that developed the SpoofCard Caller ID spoofing service is apparently at it again with a new service that lets cellphone users unmask the caller ID on blocked incoming calls.

Called TrapCall, the new service lets users blacklist unwanted callers by phone number and, with an apparently unrelated function, listen to voicemail over the Web. The service is free and is available to AT&T and T-Mobile subscribers, according to the company's president Meir Cohen.

TrapCall uses a loophole in caller ID blocking that says calls to toll free numbers are not blocked because the recipient pays for those calls. The aforementioned Spoofcard product seems to go in opposition to TrapCall by letting customers send any phone number they want as their caller ID.

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