第三，路由交换设备必须能够提供良好的服务质量保障，使得网络实时多媒体业务从应用级平稳过渡到运营级。
Third, they should support good quality of service, which can make the transition of real-time multimedia traffic from application level to carrier grade smoothly.
基于信道预约，协议采用分类调度机制以满足多媒体业务中各类业务的服务质量需求。
Based on the channel reservation, designed the classified types scheduling mechanism to satisfy the quality of service (QoS) of the multimedia applications.
多媒体信息服务MMS是一项全新的移动数据业务，是一个涉及终端设备制造商、网络运营商、内容和应用提供商的综合性移动解决方案。
The Multimedia Messaging Service(MMS) is a new mobile business, and a synthesized solution involved terminal device maker, network service provider, content and application provider.
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