摘要
VoIP是利用互联网实现语音传输的一种新型通讯技术和业务模式。VoIP网络可以在IP网内为用户提供廉价的语音服务,相对于传统的公共电话网(PSTN)通信,VoIP具有明显的价格优势,但随着VoIP的普及,其安全问题已经日益凸显。VoIP安全问题常给用户、运营商带来难以预料的风险,提出安全问题的应对策略具有实际经济意义。
VolP is a new type of communication technology and business model which use the Internet to realize voice transmis- sion.VoIP network can provide cheap voice service for the user within IP net.Compared with the traditional public switched telephone network （PSTN） communication,VoIP has the obvious advantage of prices,but as the popularity of VolP.Its security problem is increasingly prominent,VolP safety problems often bring unexpected risks to the user,operators.It has actual eco- nomic significance to put forward counter measures for the safety problems.
出处
《工业控制计算机》
2012年第5期20-21,共2页
Industrial Control Computer
