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    • 4. 发明授权
    • System for communicating with an ADSI-compatible telephone via a service
circuit node
    • 用于通过服务电路节点与ADSI兼容的电话进行通信的系统
    • US5416831A
    • 1995-05-16
    • US48650
    • 1993-04-15
    • Ward M. Chewning, IIILara F. MorganAnita Hogans-Owens
    • Ward M. Chewning, IIILara F. MorganAnita Hogans-Owens
    • H04M3/42H04M3/436H04M3/493H04M3/533H04M3/54H04M11/08H04M11/00
    • H04M11/08H04M3/42H04M3/493H04M3/533H04M2201/38H04M3/436H04M3/54Y10S379/908
    • A telephone display system (10) for communicating data via a service circuit node (11) connected to a PSTN (13) for presentation by a visual display (26) connected to an Analog Display Service Interface (ADSI)-compatible telephone (14). In response to a service selection signal carried by an incoming telephone line (21), the service circuit node (11) generates information signals containing textual information and telephone instructions. The service circuit node (11) also connects the incoming telephone line (21) to an adjunct processor (12) and sends the information signals to the adjunct processor (12). In response, the adjunct processor (12) modulates a carrier in accordance with the digital information signals and transmits the resulting analog information data over the telephone line (21). If the telephone instructions include an initial instruction for causing the ADSI-compatible telephone to enter a data mode, the adjunct processor also converts the digital initial instruction into an analog format for transmission over the telephone line. The visual display (26) enters the data mode and displays the textual information.
    • 一种用于经由连接到PSTN(13)的服务电路节点(11)传送数据以便通过连接到模拟显示服务接口(ADSI)兼容电话(14)的视觉显示器(26)呈现的电话显示系统(10) 。 响应于由输入电话线(21)携带的服务选择信号,服务电路节点(11)产生包含文本信息和电话指令的信息信号。 服务电路节点(11)还将输入电话线(21)连接到附属处理器(12),并将信息信号发送到辅助处理器(12)。 作为响应,附加处理器(12)根据数字信息信号调制载波,并通过电话线(21)发送所得到的模拟信息数据。 如果电话指令包括用于使ADSI兼容电话进入数据模式的初始指令,则附加处理器还将数字初始指令转换为模拟格式,以通过电话线进行传输。 视觉显示(26)进入数据模式并显示文本信息。