Internet :

NetListener 1.00
With Netlistener you can run Applications on disconnection or on connection from Computers on your network. The Service starts Actions after a Status-Change, like Batch-files with "net send" or commands to send Fax/SMS (external Application) to the Maintenance Personal.
This software is a shareware. You will be able to download and test NetListener during a certain period of time, then, if it does what you need, you will have to acquire the full version. The trial version available for download on www.softandco.com has a size of 1834 KBytes. For additional information and support request, please contact directly NetListener publisher.

NetListener 1.00 was released by Somebytes on Thursday 16 September 2004.
NetListener will run on Windows 2000, Windows NT and Windows XP.