The traditional telephony system or IP network is depicted as a silo structure, which is comprised of proprietary black box solutions closely coupled with network Equipment Providers (NEP) hardware.

传统的电话系统或ip网络描述为竖井(silo)结构，由与网络设备提供商(Net work Equipment Providers, NEP)硬件紧密偶合的专用黑盒解决方案组成。

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DuPont "s performance by the world" s sixth into third in the world, with production bases in many countries and agents, DuPont has formed a global marketing network and its own proprietary system.

美国杜邦的业绩已由世界第六进入第三，在世界多个国家设有生产基地和代理，美国杜邦在全球已形成自己的营销网络和专卖体系。

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Braziel had the good fortune to design the system around the Internet Protocol, so it was easy to shift from a proprietary network to the much less expensive Internet.

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The separate subwoofer also connects wirelessly with all of the system using a proprietary SMSC 5.8GHz wireless audio system to provide robust connection and remove any chance of WiFi or Bluetooth network interference.

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