![]() The result is 15 characters describing the owner of a phone number. Caller Center provides the service for free and supports the cost through advertising. Phone companies typically pass this fee on to consumers. These databases are not free and each time a caller's name is queried (or dipped) via the CNAM service, they are charged a small fee. They find the name information by subscribing to several available databases that contain calling name information for subscribers of other phone companies. The problem is that the carrier knows the name of their own customers, but the name of the caller may not be known. The receiving carrier is responsible for providing the name to the destination phone. When placing a call, the phone company that is placing the call sends the calling number when placing the call. Both the phone number and name are often available, but are not included with the basic free caller id service provided by phone companies.
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