A further 18 per cent use live chat and instant messaging systems.

此外，还有18%的人使用在线聊天工具和即时信息发送系统。

youdao

It features Extensible messaging and Presence Protocol -based interoperability with other instant messaging systems and improves enterprise productivity and efficiency.

它提供了基于可扩展消息传递和到场协议的与其他即时通信系统的互操作性，并可提高企业生产力和效率。

youdao

Until now iPhones have been limited to single use for different services – a frustrating bar on its functionality, especially for those using apps or instant messaging systems such as Skype.

到现在为止，iPhones仅限于不同服务的单独使用—这是一个令人沮丧的功能，特别是对于那些使用应用程序或即时通讯系统（如Skype）的人来说更觉得不方便。

youdao

The interoperability issue among video carriers is somewhat similar in proprietary Instant Messaging systems, which also await unification among their providers so that someone on, say, Yahoo IM can talk to a Google Chat consumer.

FORBES: Worldwide Video Calling Gets Easier

But thanks to the fast adoption of instant messaging and Internet-based telephone systems, the days of cheap and easy video calling may finally be here -- they just don't run across phone lines.

FORBES: Video Calling Finally Rings True