Patent attributes
Origin information for promotional calls is provided by recording caller numbers for parties making the promotional calls; and receiving subscriber numbers for receiving the promotional calls. The subscribers numbers are stored in a database that also includes approved content for the promotional calls to be received by the subscriber. Caller numbers and approved content are matched for the subscriber with a call scrubber including a disturbed ledger. The distributed ledger recording a caller designation attached to the caller numbers indicative of a type for the promotional call. A promotional call is received by the subscriber. The caller identification for the subscriber indicates both the caller numbers and the caller designation that is indicative of the type for the promotional call.