Method and System for Resolving Phone Numbers for Filtering Voice Calls

作者: Jonathan Masters

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摘要: A private branch exchange (PBX) server determines a caller identification (ID) of voice call received from first phone system attempting to reach second system. The PBX transmits request remote number resolving for categorizing the ID. In response indicating one or more categories associated with ID, processes based on categories.

参考文章(5)
Gregory L. Horne, Caller ID system ,(1998)
R. Blair Stacey, Gregory R. Tatchell, Cynthia I. Ishikawa, Method of screening and prioritizing an incoming call ASAJ. ,vol. 110, pp. 25- ,(1997)