Since being on the DNC List seldom protects consumers from unwanted telemarketing calls, I suggest that telecom carriers be required to institute a protocol that defaults to preventing all telemarketing calls from being completed (except for those allowed by law) to consumers who choose to have them do so. Carriers can determine these unwanted telemarketing calls by measuring call volumes, (re: ip spam detection). Also, with this protocol, consumers must be allowed to unblock group/ multiparty calls from callers such as schools or emergency warning/ services that they select. Americans are sick and tired of receiving daily multiple phone calls from "telespammers". Surely, we have the technology to stop it. Many consumers have had to resort to installing phones that can block 100 phone numbers or more, and even that is not enough, not to mention the hassle of keying-in all of the numbers when they call.