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手机号码在线空号检测【含携号转网】
提供手机号码在线空号检测服务，手机号码自动对比区分该手机号码是否为实号，空号，停机，流量卡，沉默号。基于运营商CRM数据及流量使用情况返回手机号码状态，空号检测业务已经广泛被使用于短信群发、电话营销、呼叫中心外包、保险代理等行业.
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