精品网VOLTE案例选读.docx

长沙精品网VOLTE案例汇总  目录  TOC \o 1-3 \h \z \u  HYPERLINK \l _Toc416340864 1：覆盖类问题  PAGEREF _Toc416340864 \h 3  HYPERLINK \l _Toc416340865 1.1：地形环境导致弱覆盖  PAGEREF _Toc416340865 \h 3  HYPERLINK \l _Toc416340866 1.2：邻区漏配导致弱覆盖  PAGEREF _Toc416340866 \h 3  HYPERLINK \l _Toc416340867 1.3：站点故障导致弱覆盖  PAGEREF _Toc416340867 \h 5  HYPERLINK \l _Toc416340868 1.4：越区覆盖导致无法切换  PAGEREF _Toc416340868 \h 5  HYPERLINK \l _Toc416340869 2：干扰类问题  PAGEREF _Toc416340869 \h 7  HYPERLINK \l _Toc416340870 3：已知版本问题  PAGEREF _Toc416340870 \h 9  HYPERLINK \l _Toc416340871 3.1：Pathswichfail故障导致切换后掉话或重建后被拒  PAGEREF _Toc416340871 \h 9  HYPERLINK \l _Toc416340872 3.2：基站发送TM3\8切换后掉话  PAGEREF _Toc416340872 \h 10  HYPERLINK \l _Toc416340873 4：终端异常  PAGEREF _Toc416340873 \h 12  HYPERLINK \l _Toc416340874 4.1：终端异常主动挂机导致未接通事件  PAGEREF _Toc416340874 \h 13  HYPERLINK \l _Toc416340875 4.2：终端不上报TAU请求  PAGEREF _Toc416340875 \h 13  HYPERLINK \l _Toc416340876 5：测试软件统计  PAGEREF _Toc416340876 \h 14  HYPERLINK \l _Toc416340877 5.1：异常统计掉话  PAGEREF _Toc416340877 \h 14  HYPERLINK \l _Toc416340878 6：eSRVCC切换问题分析  PAGEREF _Toc416340878 \h 14  HYPERLINK \l _Toc416340879 6.1：GSM邻区参数错误导致掉话  PAGEREF _Toc416340879 \h 14  HYPERLINK \l _Toc416340880 6.2：切换准备失败  PAGEREF _Toc416340880 \h 16  HYPERLINK \l _Toc416340881 6.3：GSM邻区频点配置不全  PAGEREF _Toc416340881 \h 17  HYPERLINK \l _Toc416340882 7：其他  PAGEREF _Toc416340882 \h 18  HYPERLINK \l _Toc416340883 7.1：TAU 更新完成发起CSFB  PAGEREF _Toc416340883 \h 18  HYPERLINK \l _Toc416340884 7.2：承载建立异常  PAGEREF _Toc416340884 \h 18  HYPERLINK \l _Toc416340885 7.3：VoLTE跨异厂家MME切换失败分析  PAGEREF _Toc416340885 \h 19  HYPERLINK \l _Toc416340886 7.4：中兴SBC与华为PCRF接口交互问题  PAGEREF _Toc416340886 \h 22  HYPERLINK \l _Toc416340887 7.5：河东VoLTE呼叫时延问题分析  PAGEREF _Toc416340887 \h 24  HYPERLINK \l _Toc416340888 7.6：VoLTE连续呼叫出现CSFB现象分析  PAGEREF _Toc416340888 \h 28  HYPERL