另外，还可对多个J2EE应用程序与终端移动设备的会话控制和通信起到促进作用。
It also facilitates session controlling and the communication flow between multiple J2EE applications and end mobile devices.
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.
当你的位置发生变化，比如从电脑转向移动web页面，从移动Web页面转为仅仅使用手机短信，你的Facebook会话可以始终跟随。
As your situation changes and you move from computer to mobile Web, from mobile Web to SMS only, your Facebook conversation can follow you.
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