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本文档仅用于通信从业者学习交流第 1页杭州 VoLTE 优化工作阶段性总结报告目录1 工作背景及目标................................................................................................................31.1 背景.............................................................................................................................31.2 目标.............................................................................................................................32 基础网优工作.................................................................................................................... 32.1 邻区核查.....................................................................................................................32.2 邻区参数一致性核查.................................................................................................42.3 VoLTE 关键参数核查..................................................................................................43 VoLTE 语音测试分析......................................................................................................... 53.1 桐建淳三县测试.........................................................................................................53.1.1 概述..................................................................................................................... 53.1.2 测试指标............................................................................................................. 63.1.3 未接通分析......................................................................................................... 83.1.4 小结................................................................................................................... 113.2 环千岛湖测试...........................................................................................................113.2.1 概述................................................................................................................... 113.2.2 测试指标........................................................................................................... 123.2.3 eSRVCC 分析......................................................................................................133.2.4 弱覆盖分析....................................................................................................... 153.2.5 未接通分析....................................................................................................... 163.2.6 掉话分析........................................................................................................... 173.2.7 小结和建议....................................................................................................... 183.3 杭新景杭千高速测试...............................................................................................183.3.1 概述................................................................................................................... 183.3.2 测试指标........................................................................................................... 193.3.3 eSRVCC 分析......................................................................................................203.3.4 弱覆盖分析....................................................................................................... 21