The enterprise instant messaging (EIM) is generally deployed by the enterprise in the enterprise or the Internet room rented by the enterprise according to its own needs. The internal employees of the company establish a starting point-to-point connection by logging in to the e-mail server to conduct work communication and exchange within a specific scope.
EIM(Enterprise Instant Message)企业即时通讯，从技术上来说，和公众即时通讯没有本质的区别，但部署模式和所起的作用上，两者完全不同。
EIM (enterprise instant message) has no essential difference from the public instant messaging in terms of technology, but the deployment mode and function are totally different.
EIM 一般是由企业根据自身需求，将服务器部署在企业内部或者企业租用的互联网机房内，公司内部的员工通过登录到这个邮件服务器建立起点到点的连接，进行属于特定范围的工作沟通和交流。EIM 也能实现和公众即时通讯工具(如 QQ，MSN)等一样的功能，如文件发送，音频/视频等，但更多的以提高工作效率和方便办公目的为出发点。
EIM is generally based on the needs of the enterprise, the server is deployed inside the enterprise or in the Internet room rented by the enterprise. The internal employees of the company establish a starting point-to-point connection by logging in to the email server to conduct work communication and exchange within a specific scope. EIM can also achieve the same functions as public instant messaging tools (such as QQ, MSN), such as file sending, audio / video, etc., but more to improve work efficiency and facilitate office purposes.
真正的 EIM 往往提供的不是单一的即时通讯，而是集成了即时通讯和协同办公，甚至邮件和手机短消息等在内的多种办公通讯媒介的集合体，MuseGroupware 就属于这种类型的 EIM 系统中具有广泛代表性的一种。
Real EIM often provides not a single instant communication, but a collection of multiple office communication media including instant communication and collaborative office, even e-mail and mobile short message. Musegroupware is one of the widely representative EIM systems of this type.