If you unplug your USB Telephone Adapter from your computer, the USB Telephone Adapter icon in the system tray of your computer changes to indicate the adapter is not active.
If you unplug the cords from the LINE or PHONE ports while the unit is active, the LED functionality of the unit may not display the true status of the unit.
To uninstall the USB Telephone Adapter Software:
For Windows XP: Select Control Panel, then open Add or Remove Programs.
For Windows 2000:Select Settings, then Control Panel, then open Add/Remove Programs.
For Windows XP: Select Remove and follow the prompts to remove USB the Telephone Adapter software.
For Windows 2000: Select Add/Remove and follow the prompts to remove the USB Telephone Adapter software.