BigAnt intranet messenger (www.BigAntSoft.com) is designed to work within a Lan. It is an enterprise corporate IM with a lot of features and strong encryption. BigAnt can be downloaded freely and evaluated for 30 days. Get 10 user license for free and find out!Key features.1. Specially designed for use inside corporate networks (intranetLan). No need of AOL MSN Yahoo! IRC Skype Jabber and ICQ Messengers2. In-built strong encryption attains the optimum privacy of incoming and outgoing messages3. Support VPN Windows Active Directory LDAP4. BigAnt IM using ClientServer architecture. With a server it provides some extra features: authorization offline messages and subnets compatibility5. Text chat voice chat video chat transfer file. Consume the least system resources and bandwidth 6. Easy to use and neat interface similar to MSN Skype AOL no learning curve.