Blueworx Voice Response for AIX supports one type of PCI adapter board: The IBM Quad Digital Trunk Telephony PCI Adapter (DTTA) The adapter performs voice processing functions and interfaces with the T1 or E1 telephony trunks.
For more information about either the DTTA, refer to the IBM Quad Digital Trunk Telephony PCI Adapter (DTTA): Installation and User's Guide.