I have got myself a Rosewill RC-403 PCI Voice/Data/Fax modem that is not working properly with a number of TAPI based answering machine programs like IVM Answering Attendant, Impulse Technology's CallStation. I can use this programs to pick up record calls but it is unable to play a greeting message over the phone line. The caller only hears silence when the greeting is playing. I was told that there is some bug with Vista's Unimodem Transform Module that affects all Conexant based voice modems. So can anyone help me in this case?
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