“H.248 protocol”的概念、定义、翻译、参考文献-科学参考

单词	H.248 protocol
释义	H.248 protocol Encyclopedia 工学【软交换协议】释 H.248 protocolH.248协议用于连接公用电话交换网（public switched telephone network，PSTN）与互联网协议（internet protocol，IP）网络，使语音、传真和多媒体信号在PSTN与IP网络之间进行交换的协议。
随便看	optically negative crystal [optically] positive crystal optically positive crystal optically rarer medium Optically Stimulated Luminescence Dating optically stimulated Luminescence dating optically stimulated luminescence dosimeter optically Stimulated Luminescence for identification of irradiated food optically stimulated luminescence radiation detector optically thick optically thick medium optically thin optically thin absorption optically thin emission optically thin medium optically thinner medium optically transparent electrode optically violently variable quasar optically violent variable quasar optically visible object optical machining optical magnetization switching optical manipulation optical mark reader optical mark reader, OMR

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