We had email, instant messaging, group calendars, discussion boards, etc.

我们那时有email、即时通讯、群组日历、讨论版等等等等。

youdao

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。

youdao

Huddle - group instant messaging.

群信——传递群组即时信息。

youdao

ChatON uses phone numbers instead of ID and passwords, and provides easy instant messaging and group chatting in various formats-images, video, voice, contacts-to make messaging simple and intuitive.

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Replacing the familiar iChat, Messages is an instant-messaging program with group-chat capability and a dash of text messaging mixed in.

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Participants in a conference call could, for instance, branch off to have an instant messaging conversation in a small group, then return to the larger group without interruption.

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