公开(公告)号：US5533107A

公开(公告)日：1996-07-02

申请号：US204677

申请日：1994-03-01

申请人： Janine M. Irwin ,  James M. Seymour ,  Iris Y. Chen ,  James M. Davis ,  David C. Sowell ,  Nailesh B. Desai ,  Julia B. Torbert

发明人： Janine M. Irwin ,  James M. Seymour ,  Iris Y. Chen ,  James M. Davis ,  David C. Sowell ,  Nailesh B. Desai ,  Julia B. Torbert

IPC分类号： H04M3/523 ,  H04Q3/66 ,  H04M3/42 ,  H04M15/00

CPC分类号： H04Q3/66 ,  H04M2207/12 ,  H04M3/5237

摘要： The present invention is a method that enables a business with multiple locations within a LATA to use a single number for its service. All callers dial the same number to reach the subscriber's business, and a network routes the calls to the most appropriate subscriber location based on the geographic location of the caller, time of day, day of week, and/or percent distribution among subscriber locations. The geographic location of the caller is determined using the calling party number (NPA-NXX-XXXX) and either mapping this number to a wire center (using the NPA-NXX) or to a block group (using the entire NPA-NXX-XXXX). An advantage of Area Number Calling is the granularity of block group routing. Block groups are defined by the Census Bureau and typically encompass a much smaller geographic area than a wire center. Block groups are defined by the Census Bureau for the entire United States. Block groups tend to encompass four to twelve blocks, and they honor natural boundaries, like rivers. This gives an ANC subscriber a greater degree of flexibility in defining which geographic areas should be routed to which subscriber locations. The present invention also provides a method of reducing the amount of geographic data that is transmitted to or stored on a database associated with the routing equipment by routing as a unit intersecting regions of multiple subscriber data tables.

摘要翻译： 本发明是一种能够在LATA内具有多个位置的业务对其服务使用单个数字的方法。 所有呼叫者拨打相同的号码以接收订户的业务，并且网络基于呼叫者的地理位置，时间，星期几和/或用户位置之间的百分比分布，将呼叫路由到最合适的用户位置。 使用主叫方号码（NPA-NXX-XXXX）确定呼叫者的地理位置，并将该号码映射到有线中心（使用NPA-NXX）或块组（使用整个NPA-NXX-XXXX ）。 区号调用的优点是块组路由的粒度。 块组由人口普查局定义，通常包含比电线中心小得多的地理区域。 统计组由美国人口普查局确定。 块组往往包含四至十二个块，它们符合自然界，如河流。 这使得ANC订户在定义哪些地理区域应被路由到哪个订户位置时具有更大的灵活性。 本发明还提供了一种通过路由作为与多个用户数据表的区域相交的单元来减少发送到或存储在与路由设备相关联的数据库上的地理数据量的方法。