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US5283788A ISDN D channel congestion control method 失效
ISDN D信道拥塞控制方法

ISDN D channel congestion control method
摘要:
An ISDN D channel congestion control method has at least either a digital subscriber line circuit common (DLCC) or a signaling controller (SGC) notify either an SGC or a packet subscriber system (PSS) of a D channel congestion according to a predetermined protocol, thereby controlling the congestion of a communication controlling apparatus.
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