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    • 9. 发明申请
    • Enabling VoIP Calls to be Initiated When a Call Server is Unavailable
    • 当呼叫服务器不可用时启用VoIP呼叫
    • US20060235980A1
    • 2006-10-19
    • US11308904
    • 2006-05-24
    • Parag PoteSudhakar ValluruGanesh Pai
    • Parag PoteSudhakar ValluruGanesh Pai
    • G06F15/173G06F15/16H04L12/66
    • H04L29/06027H04L65/1069H04L65/80H04M7/006H04M7/009
    • Providing fail_over call processing services by sniffing signaling traffic, without the overhead of configuring/provisioning terminals (phones), call servers etc. According to an aspect of the present invention, the integrated device operates as a backup call server when external call servers are unavailable. In one embodiment, the integrated device checks whether a first call server, to which a call setup request is destined to, is available, and forwards the request to another call server if the first call server is unavailable. According to another aspect, the integrated device detects the access information of each terminal registering with a call server, and uses the detected information to provide responses to call setup requests when the call servers are unavailable. As a result, the IP phones in a local network can continue initiating calls even when call servers located at remote sites, become unavailable.
    • 通过嗅探信令流量提供fail_over呼叫处理服务,而不需要配置/配置终端(电话),呼叫服务器等的开销。根据本发明的一个方面,当外部呼叫服务器不可用时,集成设备作为备用呼叫服务器 。 在一个实施例中,集成设备检查呼叫建立请求所指定的第一呼叫服务器是否可用,并且如果第一呼叫服务器不可用则将该请求转发到另一个呼叫服务器。 根据另一方面,集成设备检测每个终端向呼叫服务器注册的访问信息,并且当呼叫服务器不可用时,使用检测到的信息来提供对呼叫建立请求的响应。 因此,即使当位于远程站点的呼叫服务器变得不可用时,本地网络中的IP电话也可以继续发起呼叫。
    • 10. 发明授权
    • Enabling VoIP calls to be initiated when a call server is unavailable
    • 当呼叫服务器不可用时启用VoIP呼叫
    • US08838771B2
    • 2014-09-16
    • US11308904
    • 2006-05-24
    • Parag Narayanrao PoteSudhakar ValluruGanesh Pai
    • Parag Narayanrao PoteSudhakar ValluruGanesh Pai
    • G06F15/173H04L12/66H04L12/28
    • H04L29/06027H04L65/1069H04L65/80H04M7/006H04M7/009
    • Providing fail_over call processing services by sniffing signaling traffic, without the overhead of configuring/provisioning terminals (phones), call servers etc. According to an aspect of the present invention, the integrated device operates as a backup call server when external call servers are unavailable. In one embodiment, the integrated device checks whether a first call server, to which a call setup request is destined to, is available, and forwards the request to another call server if the first call server is unavailable. According to another aspect, the integrated device detects the access information of each terminal registering with a call server, and uses the detected information to provide responses to call setup requests when the call servers are unavailable. As a result, the IP phones in a local network can continue initiating calls even when call servers located at remote sites, become unavailable.
    • 通过嗅探信令流量提供fail_over呼叫处理服务,而不需要配置/配置终端(电话),呼叫服务器等的开销。根据本发明的一个方面,当外部呼叫服务器不可用时,集成设备作为备用呼叫服务器 。 在一个实施例中,集成设备检查呼叫建立请求所指定的第一呼叫服务器是否可用,并且如果第一呼叫服务器不可用则将该请求转发到另一个呼叫服务器。 根据另一方面,集成设备检测每个终端向呼叫服务器注册的访问信息,并且当呼叫服务器不可用时,使用检测到的信息来提供对呼叫建立请求的响应。 因此,即使当位于远程站点的呼叫服务器变得不可用时,本地网络中的IP电话也可以继续发起呼叫。