Clean and Reseat PCI Modem Cards
Voicent voice modem is a PCI (Peripheral Component Interconnect) card. In order for a modem to work properly, it needs to be firmly seated in a PCI slot. For older computers, the contacts on the PCI slots might need some polishing to counter the affects of gradual oxidation or dust accumulation. Your local computer store should have special solutions to remove oxidation and dust.