发明名称 MESSAGING SERVICES FOR A DIGITAL SUBSCRIBER LOOP
摘要 <p>System and method for providing a messaging service, such as a voice mail service over a digital subscriber loop are presented. An incoming call is first routed to a service processor. The incoming call is to be delivered over the digital subscriber loop to a receiving device. A determinatioln is made as to whether or not the incoming call is answered by the receiving device. The incoming call is routed to a message processor if the incoming call is not answered by the receiving device. The incoming call is stored at the message processor for later retrieval.</p>
申请公布号 WO2001026307(A1) 申请公布日期 2001.04.12
申请号 US2000017475 申请日期 2000.06.26
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