• 1. Unified Communication System: 统一通信系统
• 2. Ricoh Unified Communication System P3000: 系统P

• 1.Based on "ALL IP" network background in communication system, the packet network as a unified bearer network will face new problems of synchronization need.
  在通信系统全网IP化的大背景下，分组网络作为统一承载网将面临新的同步需求问题。
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• 2.The standardization of Unified ETC System will be involved with wireless communication, CPU IC, information security, system integration, testing etc.
  联网电子收费系统涉及无线通讯、智能卡技术、信息安全、系统集成、测试技术等多个领域。
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