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    • 3. 发明申请
    • VoIP terminal and method for providing multi-call service
    • VoIP终端和提供多呼叫业务的方法
    • US20080137647A1
    • 2008-06-12
    • US11987109
    • 2007-11-27
    • Jae-Hoon Han
    • Jae-Hoon Han
    • H04L12/66
    • H04L65/105H04L65/1006H04L65/1059H04L65/1069H04L65/1073
    • A multi-call VoIP terminal constructed with a proxy server interworking unit, connecting the multi-call VoIP terminal to a proxy server to enable communications with an external network terminal; an Sub terminal checking unit disposed to check a physical interworking status of the multi-call VoIP terminal to an IP terminal and a communicating state of the IP terminal; and a sub terminal interworking unit converting an IP address of a packet header in order to relay a packet between the proxy server and the IP terminal when the IP terminal is determined to be in a busy state when checked by the Sub terminal checking unit. The multi-call VoIP terminal and a multi-call service method can realize packet relaying through IP address conversion without an expansion or modification to a server, so that a multi-call service can be provided to users in a simple fashion.
    • 由代理服务器互通单元构成的多呼叫VoIP终端,将多呼叫VoIP终端连接到代理服务器,以实现与外部网络终端的通信; 子终端检查单元,用于检查多呼叫VoIP终端到IP终端的物理互通状态和IP终端的通信状态; 以及副终端互通单元,当由子终端检查单元检查时,当IP终端被确定为处于忙状态时,转换分组报头的IP地址,以便在代理服务器和IP终端之间转发分组。 多呼叫VoIP终端和多呼叫服务方式可以通过IP地址转换实现分组中继,而无需对服务器进行扩展或修改,从而可以以简单的方式向用户提供多呼叫业务。