Special B-ISDN has different network characteristics and requirements with the general B-ISDN, so the ATM signaling of the general B-ISDN is not suitable for the special B-ISDN.
由于专用和通用的B - ISDN存在着不同的网络特性和需求，通用B - ISDN中的AT M信令协议并不能满足专用B - ISDN的特点和需求。
Special B-ISDN has different network characteristics and requirements with the general B-ISDN, so the ATM signaling of the general B-ISDN is not suitable for the special B-ISDN.
由于专用和通用的B - ISDN存在着不同的网络特性和需求，通用B - ISDN中的AT M信令协议并不能满足专用B - ISDN的特点和需求。
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