1. West Corporation (14 from 634 patents)

2. Open Invention Network LLC (2 from 1,033 patents)

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7. 8990063 - Method and apparatus for voice recognition unit simulation

8. 8917817 - Method and apparatus for voice recognition unit simulation

9. 8817953 - System, method, and computer readable media for confirmation and verification of shipping address data associated with a transaction

10. 8670972 - Method and apparatus for voice recognition unit simulation

11. 8239444 - System, method, and computer readable media for confirmation and verification of shipping address data associated with a transaction

12. 7739326 - System, method, and computer readable media for confirmation and verification of shipping address data associated with transaction

13. 7403967 - Methods, apparatus, and computer readable media for confirmation and verification of shipping address data associated with a transaction

14. 6937702 - Method, apparatus, and computer readable media for minimizing the risk of fraudulent access to call center resources

15. 6862343 - Methods, apparatus, scripts, and computer readable media for facilitating secure capture of sensitive data for a voice-based transaction conducted over a telecommunications network