IMS is the largest single-source supplier of Wireless Identification and TCPA compliance products in the United States. Our Products include using the Reassigned Number Database (RND) on behalf of callers. Among the businesses we service are marketers, debt collectors and any organizations require identifying, blocking, and managing calls to wireless devices. IMS founded the concept of identifying wireless telephone numbers. We introduced our proprietary Wireless Block Identifier® which can identify over 95% of the cell phone numbers currently in use.