SBC在IP网络中越来越受到了客户的欢迎。和VPN相比，SBC彻底解决了SIP网络环境的安全问题，外网用户注册，IMS/SIP trunk连接稳定性问题和编码问题。
比较权威的Channel Partners 通过对用户对SBC各种指标的调查（可靠性，购买体验，管理工具。功能），发布了目前市场上10大满意度最高的SBC产品，它们分别是：
- Top SBCs and Their Top Measurements
- Adtran — Technology and product, reliability, purchase experience
- Alcatel-Lucent Enterprise — Purchase experience, support, Net Promoter Score
- Cisco — Technology and product, reliability
- Dialogic — Technology and product, reliability, management tools, overall satisfaction, Net Promoter Score
- Edgewater Networks — Management tools
- Huawei — Management tools, contact center experience, Net Promoter Score
- Metaswitch — Reliability, installation, support, Net Promoter Score
- Oracle/Acme Packet — Technology and product, reliability, installation
- Ribbon Communications — Technology and product, reliability, installation
- Sangoma — Technology and product, reliability, purchase experience
关于SBC的技术产品，免费FreeSBC安装配置，笔者已经发布了多份技术文档，用户可以进一步了解SBC的基础知识，如何配置freeSBC，了解SBC解决方案和使用场景。
对接SBC运营商SIP
使用SBC解决骚扰电话问题
详解外网SIP呼叫的SBC/IPPBX认证流程
图解边界会话控制器（SBC）的20个最常用功能
边界会话控制器-SBC部署协议-RFC5853
参考资料：
https://www.channelpartnersonline.com/blog/10-sbc-vendors-customers-would-recommend-to-a-friend/2/
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