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/WCDM/TD-SCDMA制式中的紧急呼叫进行了分析。
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