oIP网关(SIP代理)等端点可能会受到SYN或ICMP数据包的攻击，以致通信中断，无法正常提供业务； ·呼叫截取(call interception)：指话音或实时传输协议(RTP)数据包受到非授权的跟踪； ·信令协议篡改(signal protocol tampering)：与呼叫截取一样，恶意用..
基于12个网页-相关网页
system call interception 系统调用截获
absent call interception service 用户缺席呼叫截接服务
Core system call interception 核心系统调用截获
The Call Interception Architecture 调用拦截架构
Call interception additional network feature 呼叫监听附加网络特征
After thorough analysis of the Cisco's IP-based Lawful Interception architecture and combined with SIP call setup flow, it is introduced into the NGN.
该文通过分析思科提出的基于IP网络的合法监听架构并结合SIP呼叫建立流程的特点，将该架构扩展到下一代网络中。
Finally, the definition of interception messages, the transmission format of call content package and transmission method of interception result on the standard interfaces are provided.
最后，给出了标准化接口上侦听消息的定义、呼叫内容分组的传送格式以及侦听结果的传送方法。
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