The services defined by OMA are built on top of IMS infrastructure, such as Instant Messaging (IM), Presence service, and Group Management service.

oma定义的服务构建于IMS基础设施之上，如即时消息传递(Instant Messaging, IM)、在线状态服务和组管理服务等。

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Meebo is a cross-service IM client that can run just about any instant messaging service you can imagine.

Meebo是一款跨客户端的软件，你可以通过它使用你能想到任何即时通信服务。

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