摘要
文章通过对LTE网络的三种语音解决方案的对比,详细阐述基于IMS系统的VOLTE解决方案的特点,结合VOLTE网络拓扑结构、网络建设需求及移动终端需求,分析VOLTE所面临的全IP化网络的网络安全性、健壮性问题,并提出相应的安全策略和措施。
The purpose of the study is to identify the security issue of Voice over LTE （VoLTE） and propose solutions.In this paper, wecompare three types of voice solutions of LTE network. The study focuses on IMS-based Voice over LTE （VoLTE） solution. It demonstrates the topology of VoLTE network, the requirement of mobile network and mobile terminals.The study analyzesissues such as network security and robustnessof al IP networkof VoLTE, and proposescorresponding security strategies and measures.
