9. Data – FMLR – The Telemarketing Sales Rule-Do Not Call (TSR-DNC) By Rich Leffler|5:36 pm|Comments Off on 9. Data – FMLR – The Telemarketing Sales Rule-Do Not Call (TSR-DNC) Share This Story, Choose Your Platform! FacebookXRedditLinkedInWhatsAppTelegramTumblrPinterestVkXingEmail About the Author: Rich Leffler