No specific info about version 4.0. Please visit the main page of AllCan Communicator on Software Informer.
Windows Communicator is a cross-platform messenger application.
GE Communicator is a tool which allows you to configure products.
The Polycom Communicator gives you full-duplex telephone conversations.
Mantra Communicator is the ultimate SMS desktop software.
Kestrel Communicator helps data storage and analysis.
Beonex Communicator is a full web browser designed by Mozilla.