NEC Univerge SV8100 SL1000 Installation Manual page 19

Now the installation has completed, calls will be recorded and stored in the call recording database. If
the PRI / BRI / Analogue boxes are being used and the USB leads were connected to the call
recorder before the software was installed then the USB drivers will have been installed automatically.
To check that the devices are installed correctly, look in device manager and under USB_NEC
Recorder make sure there is an entry for each unit that is connected.