Bingo's Chat - free voice & text chat, IRC client for Local Area Networks. It works without server. It is an ideal solution for small networks. Has support for animated smilies, avatars, files and folders transferring, insertion images into chat window (even from clipboard), formatting text, hot phrases, notice-board, encryption of messages.
With this program you will be able to communicate in the local network and the Internet, organize a voice conference with other users in the local network. The program has a convenient interface and beautiful design, which can change depending on your taste.