发明名称 A system for providing prioritized connections in a public switched network
摘要 <p>The invention uses a suppressed ringing connection, switched through the existing call processing switch fabric, to connect two CPEs for long duration, low priority calls. The suppressed ringing connection is implemented such that the connection is disconnected if an incoming call to one of the CPEs or an outgoing request for service from one of the CPEs is made. If the suppressed ringing connection is disconnected due to a request for normal service to or from one of the CPEs, the system of the invention automatically reestablishes the suppressed ringing connection after the normal service call has ended such that the long duration suppressed ringing connection can be maintained on a quasi-permanent basis. As a result, the suppressed ringing connection can be maintained for long duration connections without disrupting normal incoming or outgoing service to either of the connected CPEs. &lt;IMAGE&gt;</p>
申请公布号 EP0774873(A2) 申请公布日期 1997.05.21
申请号 EP19960308022 申请日期 1996.11.05
申请人 AT&T CORP. 发明人 GARLAND, STUART MANDEL;SMITH, DAVID B.
分类号 H04M3/00;H04Q3/00;(IPC1-7):H04Q3/00;H04M3/42 主分类号 H04M3/00
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