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       What is an SBC 
      ●Session Border Controller 
      ■Session,通讯,会谈…… 
      ■Border,边界,分界 
      ■Controller,控制并维持整个session状态 
      ■主要是负责网路上语音的安全(语音防火墙),作为不同网域之间的沟通,服务品质,不同     编码格式转码
   
  
      ●E-SBC,Enterprise SBC 
      在过去,SBC仅出现在电信运营商,现在企业用户也会使用到SBC 
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          SBC vs. Voice Gateway 
	    ●以功能面 
        ■VoIP Gateway只是做单纯不同界面转换,比如说TDM与IP界面 
	    ■Session Border Controllers 提供了语音上的安全,不同网域之间的沟通,服务品质,不同     编码格式转码等等功能 
	
	    ●以架构方式 
	    ■装置在NAT之后 
	    ■至于公网或是DMZ中 
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        Uncovering the Key Features of SBCs and How They Protect Your     Network 1 
      ●Stopping Attacks with an SBC 
      ■语音与信令的加密 
      ■企业拓扑的隐藏 
      ■对语音存取的监控 
  
      ●Identifying the Key Requirements of an SBC 
      ■SIP的正规化,使得不同厂牌的SIP变得标准化,易于沟通 
      ■对于不同语音标码格式的转换,使得VoIP通话无阻碍 
      ■不同NAT环境的穿越处理 
      ■传真和音频(Tone)检测 
      ■高性能,高可扩展性以及灵活性 
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          Uncovering the Key Features of SBCs and How They Protect Your     Network 2 
        ●SBC的安全机制 
        ■TLS for signaling encryption 
      ■Secure RTP(SRTP) for media encryption 
      ■BuiIt-in VoIP firewall 
      ■Topology hiding 
      ■Prevention of DoS and DDoS attacks 
      ■DNIS,CLID,Call type pre-authentication 
      ■Traffic separation(VLAN interface separation) 
      ■Line rate malformed packet protection 
      ■Access Control Lists(ACLs) 
      ■IPsec VPN tunnel 
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          Why Do Enterprises Need an SBC 
        ●Market trends 
        ■SIP Trunking 
	    ■BYOD 
	    ■New service
  
	
	    ●Voice of customer 
        ■结费需求 
	    ■VoIP后的网络安全需求 
	    ■统一通讯UC(IM,Presence,Collaboration..) 
	    ■行动办公室Mobile User /行动分机Mobile Extension 
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          SBC 1000/2000 
        ●是一款专为中小企业和分支机构的(最大同时通话数量192/600)的Media Gateway与     SBC组合解决方案 
	    ●设计用于解决企业网络安全与SIP通讯和统一通讯并提供与TDM界面完整的互联性,     提供数位以及类比外线和类比终端连接(包括传真机,类比电话等) 
	    ●提供理想的企业级SBC应具备的所有功能特性,包括内建语音编码转换、网络安全     (加密、鉴权、DoS保护等)、弹性的SIP表头调整、智慧通话路由选择、异质平台与     厂商互通以及多种全天候备援方案 
	    ●建置成本获得先进的SBC功能 
	 
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          Benefits 
        ●提供了从传统交换机升级到SIP外线和与PBX和SIP外线互通性,同时也提供了一号多     机和Microsoft Active Directory整合 
	    ●提供了与现有TDM交换机既有界面以及终端连接的要求用以保留过去既有传统交换机     以及终端的投资 
	    ●透过友善的管理界面与整合第三方网络管理界面,大大降低维运的复杂性与困难以     及额外金钱的投入 
	    ●无需额外购买软/硬体,本身已具备完整SBC功能 
	    ●先进的语音媒体处理(转码,Transcoding)能力 
	    ●提供了企业与微软Skype for Business的整合性(微软Lync认证产品)
	 
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          Features 
	    Call Forking 
	    ●一通来话可以有8个共振目的终端,例如:公司行动门号、私人行动门号、桌机、市     话号码、Lync client(or UC client)…… 
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	      Mobile Extension 
	    ●在外人员行动装置即分机,可与内部分机通讯 
	    ●拨打电话统一经由SBC至PSTN或是ISP 
	    ●可对经由SBC通话录音
	 
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          SIP Trunk 
	    ●经由SBC连接至SIP电信服务商 
	    ●通过网络运作,不单支援语音通讯,同时支援影像通讯 
	    ●线路(通道)扩充快速,不须额外界面卡 
	    ●结费路由
	 
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          Voice Transcoding 
	    ●对于不同语音编码的建立以及通话,由SBC完成编码转译
	 
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          Security 
	    ●TLS for signaling encryption 
	    ●Secure RTP(SRTP) for media encryption 
	    ●Built-in VoIP firewall 
	    ●Topology hiding 
	    ●Prevention of DoS and DDoS attacks 
	    ●DNIS,CLID,Call type pre-authentication 
	    ●Traffic separation(VLAN interface separation) 
	    ●Line rate malformed packet protection 
	    ●Access Control List(ACLs) 
	    ●IPses VPN tunnel 
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          Video Passthrough 
	    ●支援影像 
	    ●仅对于相同影像编码的建立以及通话,SBC不支援影像编码转译
	 
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          Local Survival(Lync solution) 
	    ●Option 1 - The SBA 
	      ●Intra Branch Lync-Lync calling 
	      ●Inter Branch Lync-Lync calling 
	      ●Inbound PSTN dialing 
	      ●Outbound PSTN dialing 
	      ●Conferencing 
	      ●Branch Lync user dual registration 
	      ●Localized Signaling
	 
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          Local Survival(Lync solution) 
	    ●Option 2 - The RBA 
	      ●Intra Branch Lync-Lync calling 
	      ●Inter Branch Lync-Lync calling 
	      ●Inbound PSTN dialing 
	      ●Outbound PSTN dialing 
	      ●Conferencing 
	      ●Desktop Sharing 
	      ●Lyne Presence
	 
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          Local Survival 
	    ●Power Failure Transfer 
	      ●E1 to E1 
	      ●FXO to FXS 
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          Management 
	    Ease of Management 
	    ●Monitoring 
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          Ease of Management 
	    ●Tasks 
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          Ease of Management 
	    ●Settings 
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          Ease of Management 
	    ●Diagnostics 
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          Ease of Management 
	    ●Diagnostics 
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          Ease of Management 
	    ●System 
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          Network Management Features 
	    ●Sonus WEB GUI 
	      ●Real time monitoring & Alarms 
	      ●Configuration 
	      ●Settings,Iicensing,upgrades 
	      ●Backup and restore 
	      ●Logging 
	    ●SNMP Manager 
	      ●Traps 
	      ●Call statistics 
	      ●Objects details
	 
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          Network Management Features 
	    ●SCOM PIatform 
	      ●SCOM pack available 
	      ●Device Discovery (Chassis,Cards,ports,PSU,DSPs...etc.) 
	      ●Health monitoring with Object status (Error,Warning,Healthy) 
	    ●Sonus Manager(REST API) 
	      ●Based on REST 
	      ●SBC Discovery and grouping 
	      ●Alarm monitoring (health status) 
	      ●Config backup and restore 
	      ●FW/SW upgrade 
	      ●Email Notifications 
	      ●Offline GUI for config 
	      ●LX syslog and decoding tool
	 
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