Would you like to listen to music from a computer on your LAN or a conversation of one of your employees through VoIP? SpySound is the software that you need.
SpySound is simply a software that allows you to listen to sounds picked up by the microphone of a computer on your LAN. You should install a server on the target computer and a client on the computer that you use to listen to the captured sounds. Note that they can be saved to a folder in your hard drive. In brief, it is available in several languages (15 different languages) and includes an automatic update.