Radmin Communication Server by Famatech is a new, secure solution for real-time corporate communications. It can also serve as a secure enterprise instant messaging tool, a solution for online conferencing, and a corporate multi-user Text and Voice chat for employees.
Radmin Communication Server uses a client-server structure. The server module is installed on each machine that is to generate a communication. This provides a connection for each Radmin Communication Client installed on the computers that will be receiving communications.
Text Chat options include private instant messaging, multi-user, real-time text chat conversations. Voice Chat options include private, real-time voice chat conversations (VoIP analog), multi-user, real-time voice chat conversations, conference mode with microphone queue, short text message (SMS) sending and customizable voice quality to save bandwidth and traffic.
Radmin CS does not use external servers for connections and offers wide administration opportunities, so no data can be intercepted. Radmin CS supports Windows NT/2000/XP/2003 user level security, so connections can be limited to specific users or user groups, Primary Domains, Trusted Domains or Active Directories. For user authentication and session key setups, a modified Diffie-Hellman exchange with a 2048-bit key size is used. All data are encrypted by AES with a 256-bit key size.
This software is a shareware. You will be able to download and test Radmin Communication Server during a certain period of time, then, if it does what you need, you will have to acquire the full version from Radmin Communication Server publisher. The Radmin Communication Server 3.0 free trial version contains an installer and an uninstaller, and has a size of 3282 Kilobytes.
For additional information and support request, please contact directly Radmin Communication Server publisher.

Radmin Communication Server Screenshot