摘要
紧急呼叫,用于移动终端与当地的紧急呼叫中心联系,能为移动终端用户提供紧急救援等服务。本文从国内外相关标准技术要求以及测试要求等方面对GSM/WCDMA/TD-SCDMA制式中的紧急呼叫进行了分析。
Emergency call procedures enable the mobile terminal to communicate with local emergency service centers, in order to provide mobile subscribers emergency rescue services, etc. This article researches in the technical require- ments and testing requirements of domestic and global specifications and analyzes the emergency call of GSM / WCD- MA / TD-SCDMA.
出处
《电信网技术》
2014年第1期53-58,共6页
Telecommunications Network Technology
关键词
紧急呼叫
空口信令
技术要求
emergency call, protocol for the radio interface, technical requirements