The ATM is an important technology in Broad Integrated Services Degital Network (B ISDN).
AT M传输技术是宽带综合业务数字网的重要技术。
According to the trend of digital network, the "U" interface technology of ISDN and ADPCM technology is adopted.
配合数字化网络趋势，该系统采用了ISDN的“U”接口传输技术和ADPCM编译码技术。
ATM (Asynchronous Transfer Mode) which is the supporting technology of B-ISDN is confirmed by ITU in 1988.
异步转移模式(atm)技术是B - ISDN的支撑技术，于1988年被标准化组织itu确定。
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