“H.248协议”的概念、定义、翻译、参考文献-科学参考

单词	H.248协议
释义	H.248协议 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	rocket dynamic characteristic test rocket dynamic test tower rocket ejection seat rocket engine ignition test at high altitude rocket engine precooling rocket engine test rocket exploration of the upper atmosphere rocket fairing rocket flow-out test rocket for artificially triggering lightning rocket ground support equipment rocket highway transporter rocket infrared astronomy rocket kerosene rocket mechanism rocket motion equation rocket propellant rocket-ramjet combined cycle engine rocket range safety control rocketry rocket sled rocket static test-firing facility rocket structure rocket train rocket ultraviolet astronomy

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