SBC在IP網(wǎng)絡中越來越受到了客戶的歡迎。和VPN相比，SBC徹底解決了SIP網(wǎng)絡環(huán)境的安全問題，外網(wǎng)用戶注冊，IMS/SIP trunk連接穩(wěn)定性問題和編碼問題。
比較權威的Channel Partners 通過對用戶對SBC各種指標的調(diào)查（可靠性，購買體驗，管理工具。功能），發(fā)布了目前市場上10大滿意度最高的SBC產(chǎn)品，它們分別是：
- 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
關于SBC的技術產(chǎn)品，免費FreeSBC安裝配置，筆者已經(jīng)發(fā)布了多份技術文檔，用戶可以進一步了解SBC的基礎知識，如何配置freeSBC，了解SBC解決方案和使用場景。
對接SBC運營商SIP
使用SBC解決騷擾電話問題
詳解外網(wǎng)SIP呼叫的SBC/IPPBX認證流程
圖解邊界會話控制器（SBC）的20個最常用功能
邊界會話控制器-SBC部署協(xié)議-RFC5853
參考資料：
https://www.channelpartnersonline.com/blog/10-sbc-vendors-customers-would-recommend-to-a-friend/2/
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