通过以上方案部署，所有系统内部分机可以直拨互通，可以直拨实现外线呼叫，并可实现以下业务功能：
·内部分机免费互通
·多种扩展业务
·方便扩容
·会议功能
·分机录音功能
·呼叫记录及计费认证客户端
·个性化呼叫规则设定
·呼叫限制
·提供系统诊断工具
·支持NAT穿透
·方便的WEB管理界面
·支持VLAN及QOS
About Zed-3
Zed-3 provides products that permit people to communicate simply, efficiently, and cost effectively. With careful attention to detail, these IP telephony products work seamlessly together and interoperate with products and services from other suppliers. Zed-3 can provide VoIP solutions to connect home workers, small businesses, and enterprises with multiple offices. Zed-3 sells its products worldwide and has distribution today in North America and Asia. Zed-3 has its headquarters in Milpitas, California and offices in Bangalore, Beijing, and Singapore. For more information on Zed-3 or its products, access: http://www.zed-3.com．
Zed-3 提供的产品使通信变得简单，高效而又低成本。对于细节的关注，使得所有的IP语音产品可以无缝的配合工作，并与其他供应商的产品或服务互通。Zed-3能为在家办公者、小型商业企业和具有多分支机构的中型企业提供全面的VoIP解决方案。Zed-3在全球范围内销售产品，目前主要分布在北美和亚洲地区。Zed-3总部位于美国加州Milpitas，在中国北京、新加坡和印度班加罗尔有区域办事处。
