COME800-T04 PCI Style Telephone Recording Card How to use? The call recording card is installed into the computer's PCI slot,normally,the computer box can ... , you can record max 128 channels by COME800-T04 card at one computer. 2)Can search any recording files by call-in ... the both sides volume balance. 10)Adopt PCI BUS, internal power source, the whole recording card is slight & decent,also the most ...