As a platform to provide multimedia data service, IMS is an important step to make Communications network become an IP network.
IMS为未来的多媒体数据业务提供了一个通用平台，它是向全ip网络演进的重要一步。
As a platform to provide multimedia data service, IMS is an important step to make Communications network become an IP network.
IMS为未来的多媒体数据业务提供了一个通用平台，它是向全ip网络演进的重要一步。
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