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Legend: 
Included 
Extra Cost 
Not Available
| Features / Product | DOTS Lead Enhancement | DOTS Lead Enhancement Plus | DOTS Lead Validation | Competitor |
| Phone Validation Features | ||||
| Phone Exchange Level Information (NAA-NXX+1) | | | | |
| Contact Level - Line Owner Information | | | | |
| Contact Level Info for Landline, VoIP, and Wireless Numbers | | | | |
| Coverage for both US and Canadian Phone Numbers | | | | |
| Non-Invasive Connected/Disconnected Line Testing | | | | |
| Allows for Two-Phone Numbers as Inputs | | | | |
| Address Validation Features | ||||
| USPS / CASS Address Verification and Correction | | | | |
| USPS / CASS Delivery Point Verification (DPV) | | | | |
| Canadian Address Verification and Correction | | | | |
| Address Suppression for Prisons and Hotels | | | | |
| Address Suppression for Commercial Mail Handlers | | | | |
| Residential Delivery Indicator for US Addresses (RDI) | | | | |
| Email Validation Features | ||||
| Syntax and DNS Email Address Testing | | | | |
| Real-Time SMTP Email Address Testing | | | | |
| Bogus & Disposable Email Address Detection | | | | |
| Vulgar Email Address Detection | | | | |
| Internet Address (IP) Validation Features | ||||
| Country-Level IP Resolution | | | | |
| State/Region-Level IP Resolution | | | | |
| City-Level IP Resolution | | | | |
| Proxy Detection | | | | |
| Name Validation Features | ||||
| Valid Name Checking | | | | |
| Full Name Parsing and Correction | | | | |
| Gender Assignments (F/M/UNKNOWN) | | | | |
| Bogus Name & Random Keystroke Detection | | | | |
| Celebrity & Vulgar Name Detection | | | | |
| Other Features | ||||
| Alternate Phone Appended | | | | |
| Alternate Name & Address Appended | | | | |
| FTP Batch Processing Ready | | | | |
| Lead Quality Scoring (0-100) | | | | |
| Pricing | ||||
| Month to Month or Annual Agreement | | | | |
| Required Annual License Fee | No | No | No | Yes |
| Estimated Price per month (price/transaction) | ¢ | ¢¢ | ¢¢¢ | ¢¢¢ |
| Complementary Products | ||||
| Live Telephone Verification (DOTS TV) | | | | |
| Free Product Evaluation | ||||
| Sample Batch: Up to 100 Records | Yes | Yes | Yes | |
| XML License Key (See what's included) |  | | | |
| Features / Product | DOTS Lead Enhancement | DOTS Lead Enhancement Plus | DOTS Lead Validation | |
Legend: Included Extra Cost Not Available