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    • 41. 发明授权
    • Exchange service starting system
    • Exchange服务启动系统
    • US5774538A
    • 1998-06-30
    • US534143
    • 1995-09-26
    • Hirofumi Onishi
    • Hirofumi Onishi
    • H04M3/42H04Q3/42H04Q3/545
    • H04Q3/42H04M3/4228H04Q2213/1307H04Q2213/13103H04Q2213/13204H04Q2213/1332H04Q2213/13405
    • An exchange service starting system subject to a minimum of processing burdens without limiting the scope of exchange services available to subscribers. A number dialed by a subscriber placing a call is analyzed by a number analyzing unit. The result of analysis is stored into a number analysis result memory. Upon receipt of a service start request signal from the subscriber during the call, a signal analyzing unit references the content of the memory. If the memory is found to contain a predetermined specific number, the signal analyzing unit starts a signal output unit to output the service start request signal to a specific exchange. If the memory content is other than the specific number, the signal analyzing unit starts a service request processing unit so that the exchange in question will offer a locally available exchange service.
    • 交换服务启动系统受到最小的处理负担,而不限制订户可用的交换服务的范围。 由拨打电话的用户拨打的号码由号码分析单元分析。 分析结果存储到数字分析结果存储器中。 在通话期间从用户接收到服务开始请求信号后,信号分析单元引用存储器的内容。 如果发现存储器包含预定的特定号码,则信号分析单元启动信号输出单元以将服务启动请求信号输出到特定交换机。 如果存储器内容不是特定号码,则信号分析单元启动服务请求处理单元,使得所讨论的交换机将提供本地可用的交换服务。