对服务生命周期的关注允许移动网络运营商为其控制和传输网络选择最好的技术。

This focus on the service life cycle enables mobile network operators to select their best options for control and transport networks.

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IMS允许运营商对多媒体会话进行适当收费：如果用户通过3 G移动网络使用了视频会议，则通常会产生包含音频和视频的大量数据传输。

IMS allows operators to charge multimedia session appropriately: If a user USES videoconference over the 3g cellular network, there is usually a large data transfer that consists of audio and video.

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我们已经迫不及待要迎接4g——简而言之，一种提供Wi - Fi相似传输速率的移动网络。

We'd been waiting anxiously for 4g-in a nutshell, a cellular network that offers Wi-Fi-like data speeds.

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