关键词: 安全威胁, 安全策略, 认证, 防火墙

Abstract:

To ensure the security of VoIP (Voice over Internet Protocol) system, a comparatively systematic discussion is made to security issues found in the development and widespread application of Internet based IP(Internet Protocol) phone. On the basis of analyzing existing security threats, relevant security suggestions are offered to security issues which may crop up at any time when a company deploys its VoIP.

Key words: security threat, security strategy, certification, firewall