通过LTE网络发展现状，文章分析并指出MME和终端异常导致VOLTE起呼失败，使得用户通话感知较差，容易引起用户投诉。针对这些问题，文章结合实际案例重点探讨如何定位并排查干扰源所在，提升用户感知。%Through the analysis of the development status of LTE network, this paper points out that MME and VOLTE call terminal resulted in failure of the user calls, which easily leads to poor perception and results in customer complaints. In order to solve these problems, this paper focuses on how to locate the case and investigation of sources of interference to enhance the user perception.
展开▼
