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1. 发明申请

US20100238842A1 PHONE CONFERENCING ARCHITECTURE WITH OPTIMIZED SERVICES MANAGEMENT 审中-公开
标题翻译：电话配置优化架构与优化服务管理
公开(公告)号：US20100238842A1
公开(公告)日：2010-09-23
申请号：US12406974
申请日：2009-03-19
申请人： Sankaran Narayanan , Dhigha D. Sekaran , Dalibor Kukoleca , Timothy Mark Moore
发明人： Sankaran Narayanan , Dhigha D. Sekaran , Dalibor Kukoleca , Timothy Mark Moore
IPC分类号： H04L12/16
CPC分类号： H04L65/403 , H04L12/1818 , H04L12/1827 , H04M3/567
摘要： Architecture that employs a cost-effective mechanism to only engage the services as needed, and then release these services in a managed way. This reduces the runtime cost so that users can have more conferences for the same amount of hardware purchased for such purposes at a minimum cost. The architecture provides the efficient and seamless integration of PSTN phone users and VoIP audio users in a cost effective and efficient way by the use of the same conferencing server and the same audio-video multi-point control unit that users currently employ with additional services that include a conferencing auto attendant service authenticates the phone user and transfers the phone user into the conference, a conference announcement server application is responsible for playing conference announcements, and a personal virtual assistant application which is responsible for translating user-initiated DTMF (dual-tone multi-frequency) tones into conference control commands.
摘要翻译：采用成本效益高的机制的架构只能根据需要接触服务，然后以受管理的方式发布这些服务。这降低了运行时间费用，以便用户可以以最小的成本为同样数量的硬件购买相同数量的硬件。该架构通过使用相同的会议服务器和用户当前使用的附加服务的相同音频 - 视频多点控制单元，以成本有效和高效的方式提供了PSTN电话用户和VoIP音频用户的高效和无缝集成，包括会议自动话务员服务认证电话用户并将电话用户传送到会议中，会议通知服务器应用程序负责播放会议通知，以及负责翻译用户发起的DTMF（双音）的个人虚拟助理应用多频）音调成会议控制命令。

2. 发明授权

US08315165B2 Survivable and resilient real time communication architecture 有权
标题翻译：生存和弹性的实时通信架构
公开(公告)号：US08315165B2
公开(公告)日：2012-11-20
申请号：US12794861
申请日：2010-06-07
申请人： Vadim Eydelman , Sankaran Narayanan , Dhigha D. Sekaran , Mahendra D. Sekaran , Bimal K. Mehta , Amey Parandekar
发明人： Vadim Eydelman , Sankaran Narayanan , Dhigha D. Sekaran , Mahendra D. Sekaran , Bimal K. Mehta , Amey Parandekar
IPC分类号： G01R31/08
CPC分类号： H04L41/069 , H04L45/22 , H04L45/28 , H04L45/46
摘要： Enhanced communication systems with various resiliency and survivability aspects are provided. Data center, cluster, network, and load balancer survivability are provided for seamless communication experience in case of data center, cluster, discovery infrastructure, or hardware load balancer failures. Call, data, and authentication survivability are provided through dynamic re-routing over alternative networks, continuous data replication, and alternative authentication mechanisms. Seamless failover is ensured through use of identical signaling protocols and data carried by protocols between primary and backup clusters. Voicemail resiliency is achieved by re-routing calls directed to voicemail over alternative paths such as PSTN connections.
摘要翻译：提供了具有各种弹性和生存性方面的增强的通信系统。数据中心，集群，网络和负载平衡器的生存能力提供了在数据中心，集群，发现基础设施或硬件负载平衡器故障的情况下的无缝通信体验。通过替代网络的动态重路由，连续数据复制和替代认证机制提供呼叫，数据和认证生存性。通过使用相同的信令协议和主协议和备份集群之间的协议承载的数据，确保无缝故障转移。语音邮件弹性是通过重新路由通过诸如PSTN连接等替代路径的语音邮件的呼叫来实现的。

3. 发明授权

US08972594B2 Media mix wiring protocol for media control 有权
标题翻译：用于媒体控制的媒体混合接线协议
公开(公告)号：US08972594B2
公开(公告)日：2015-03-03
申请号：US12029439
申请日：2008-02-11
申请人： Srivatsa K. Srinivasan , Timothy M. Moore , Dhigha D. Sekaran , Sankaran Narayanan
发明人： Srivatsa K. Srinivasan , Timothy M. Moore , Dhigha D. Sekaran , Sankaran Narayanan
IPC分类号： G06F15/16 , G06F15/173
CPC分类号： G06F15/173
摘要： Protocol architecture for wiring media streams and specifying mixing behavior in a multipoint control unit. The protocol provides the capability to expose the core mixing algorithms to modification for mixing media without dealing with the functionality of the mixer itself (e.g., ports and IP specifics). The protocol facilitates the wiring of input media streams to output media streams by changing the mixing behavior via changes to the mixing algorithms using the protocol. The protocol operates based on a schema that includes controls related to route, wire, and filter for the mixer input and mixer output.
摘要翻译：用于布线媒体流的协议架构，并指定多点控制单元中的混合行为。该协议提供了将核心混合算法暴露于对混合介质进行修改而不处理混频器本身的功能（例如，端口和IP特定）的能力。该协议便于通过使用该协议通过改变混合算法来改变混合行为来输入媒体流的布线来输出媒体流。该协议基于包括与混频器输入和混频器输出的路由，有线和滤波器相关的控制的模式进行操作。

4. 发明申请

US20110299387A1 SURVIVABLE AND RESILIENT REAL TIME COMMUNICATION ARCHITECTURE 有权
标题翻译：生存和恢复实时通信架构
公开(公告)号：US20110299387A1
公开(公告)日：2011-12-08
申请号：US12794861
申请日：2010-06-07
申请人： Vadim Eydelman , Sankaran Narayanan , Dhigha D. Sekaran , Mahendra D. Sekaran , Bimal K. Mehta , Amey Parandekar
发明人： Vadim Eydelman , Sankaran Narayanan , Dhigha D. Sekaran , Mahendra D. Sekaran , Bimal K. Mehta , Amey Parandekar
IPC分类号： H04L12/26
CPC分类号： H04L41/069 , H04L45/22 , H04L45/28 , H04L45/46
摘要： Enhanced communication systems with various resiliency and survivability aspects are provided. Data center, cluster, network, and load balancer survivability are provided for seamless communication experience in case of data center, cluster, discovery infrastructure, or hardware load balancer failures. Call, data, and authentication survivability are provided through dynamic re-routing over alternative networks, continuous data replication, and alternative authentication mechanisms. Seamless failover is ensured through use of identical signaling protocols and data carried by protocols between primary and backup clusters. Voicemail resiliency is achieved by re-routing calls directed to voicemail over alternative paths such as PSTN connections.
摘要翻译：提供了具有各种弹性和生存性方面的增强的通信系统。数据中心，集群，网络和负载平衡器的生存能力提供了在数据中心，集群，发现基础设施或硬件负载平衡器故障的情况下的无缝通信体验。通过替代网络的动态重路由，连续数据复制和替代认证机制提供呼叫，数据和认证生存性。通过使用相同的信令协议和主协议和备份集群之间的协议承载的数据，确保无缝故障转移。语音邮件弹性是通过重新路由通过诸如PSTN连接等替代路径的语音邮件的呼叫来实现的。

5. 发明授权

US09141685B2 Front end and backend replicated storage 有权
标题翻译：前端和后端复制存储
公开(公告)号：US09141685B2
公开(公告)日：2015-09-22
申请号：US13530416
申请日：2012-06-22
申请人： Krishnan Ananthanarayanan , Sankaran Narayanan , Dhigha D. Sekaran
发明人： Krishnan Ananthanarayanan , Sankaran Narayanan , Dhigha D. Sekaran
IPC分类号： G06F7/00 , G06F17/30
CPC分类号： G06F17/30578
摘要： An existing primary data copy can be maintained on an existing primary front end server node. One or more existing secondary data copies can be maintained on one or more existing secondary front end server nodes to minor the existing primary data copy (such as by making synchronous changes to the secondary data copies). One or more existing backup data copies can be maintained on an existing backend server node to mirror the existing primary data copy (such as by making asynchronous changes to the one or more backup data copies). The existing backend server node can be accessible by one or more of the front end nodes. In response to detecting a failure of the existing primary data copy, one of the one or more secondary data copies can be designated as a new primary data copy in place of the existing primary data copy.
摘要翻译：可以在现有的主要前端服务器节点上维护现有的主数据副本。可以在一个或多个现有的辅助前端服务器节点上维护一个或多个现有的辅助数据副本，以减小现有主数据副本（例如通过对次要数据副本进行同步更改）。可以在现有的后端服务器节点上维护一个或多个现有的备份数据副本，以镜像现有主数据副本（例如通过对一个或多个备份数据副本进行异步更改）。现有的后端服务器节点可以被一个或多个前端节点访问。响应于检测到现有主数据副本的故障，一个或多个辅助数据副本中的一个可以被指定为新的主数据副本来代替现有主数据副本。

6. 发明申请

US20130346366A1 FRONT END AND BACKEND REPLICATED STORAGE 有权
标题翻译：前端和后端替代存储
公开(公告)号：US20130346366A1
公开(公告)日：2013-12-26
申请号：US13530416
申请日：2012-06-22
申请人： Krishnan Ananthanarayanan , Sankaran Narayanan , Dhigha D. Sekaran
发明人： Krishnan Ananthanarayanan , Sankaran Narayanan , Dhigha D. Sekaran
IPC分类号： G06F17/30
CPC分类号： G06F17/30578
摘要： An existing primary data copy can be maintained on an existing primary front end server node. One or more existing secondary data copies can be maintained on one or more existing secondary front end server nodes to minor the existing primary data copy (such as by making synchronous changes to the secondary data copies). One or more existing backup data copies can be maintained on an existing backend server node to mirror the existing primary data copy (such as by making asynchronous changes to the one or more backup data copies). The existing backend server node can be accessible by one or more of the front end nodes. In response to detecting a failure of the existing primary data copy, one of the one or more secondary data copies can be designated as a new primary data copy in place of the existing primary data copy.
摘要翻译：可以在现有的主要前端服务器节点上维护现有的主数据副本。可以在一个或多个现有的辅助前端服务器节点上维护一个或多个现有的辅助数据副本，以减小现有主数据副本（例如通过对次要数据副本进行同步更改）。可以在现有的后端服务器节点上维护一个或多个现有的备份数据副本，以镜像现有主数据副本（例如通过对一个或多个备份数据副本进行异步更改）。现有的后端服务器节点可以被一个或多个前端节点访问。响应于检测到现有主数据副本的故障，一个或多个辅助数据副本中的一个可以被指定为新的主数据副本来代替现有主数据副本。

7. 发明授权

US08073906B2 Inviting a conferencing unaware endpoint to a conference 有权
标题翻译：邀请会议不知名的会议端点
公开(公告)号：US08073906B2
公开(公告)日：2011-12-06
申请号：US11844688
申请日：2007-08-24
申请人： Dhigha D. Sekaran , Sankaran Narayanan
发明人： Dhigha D. Sekaran , Sankaran Narayanan
IPC分类号： G06F15/16
CPC分类号： H04L12/1818 , H04L51/04
摘要： Systems and methods that enable conference unaware clients to participate in the conference. A conferencing component is aware of what protocol to employ, and enables devices and/or end points that employ disparate or heterogeneous protocols to participate in the same conference initiated therebetween. A call flow (e.g., in form of a dial out) can be initiated, wherein the conferencing component invites conference unaware devices to participate in the conference.
摘要翻译：使会议未知客户参与会议的系统和方法。会议组件知道采用什么协议，并启用使用不同或异构协议的设备和/或终端参与其间启动的同一会议。可以启动呼叫流程（例如，拨出形式），其中会议组件邀请会议未知设备参与会议。

8. 发明申请

US20090217109A1 ENHANCED PRESENCE ROUTING AND ROSTER FIDELITY BY PROACTIVE CRASHED ENDPOINT DETECTION 失效
标题翻译：通过主动破裂端点检测增强存在的路由和ROSTER的强度
公开(公告)号：US20090217109A1
公开(公告)日：2009-08-27
申请号：US12038300
申请日：2008-02-27
申请人： Dhigha D. Sekaran , Sankaran Narayanan
发明人： Dhigha D. Sekaran , Sankaran Narayanan
IPC分类号： G06F11/07
CPC分类号： H04L65/1046 , H04L41/147 , H04L43/0817 , H04L65/1006 , H04L67/24 , H04L69/40 , H04M3/2263 , H04M3/42348
摘要： Endpoint crashes in a real time communication system are detected by a home server providing presence and other services to the endpoint upon receipt of an error message from an access server between the endpoint and the home server. The home server uses a cookie inserted into a dialog between itself and the endpoint identifying the endpoint, a session state created by the access server identifying the endpoint, or a transaction state maintained by the home server to look up the endpoint associated with the error message. Race conditions occurring when an endpoint crashes and recovers rapidly can be avoided employing a timestamp or sequence number incremented for each new endpoint registration and comparing a current timestamp or sequence number to the stored one before updating records at the home server. By notifying other subscribers about crashed endpoints, routing fidelity is enhanced.
摘要翻译：在实时通信系统中的端点崩溃由在端点和家庭服务器之间的接入服务器接收到错误消息时向端点提供存在和其他服务的家庭服务器检测到。家庭服务器使用插入到其本身和标识端点的端点之间的对话中的cookie，由标识端点的接入服务器创建的会话状态或由主服务器维护的事务状态来查找与错误消息相关联的端点。当端点崩溃并快速恢复时发生的竞争条件可以避免使用为每个新的端点注册递增的时间戳或序列号，并且在更新家庭服务器之前的记录时将当前时间戳或序列号与存储的时间戳或序列号进行比较。通过向其他用户通知有关崩溃的端点，路由保真度得到增强。

9. 发明申请

US20070276945A1 Fault-Tolerant Resource Committal 审中-公开
标题翻译：容错资源承诺
公开(公告)号：US20070276945A1
公开(公告)日：2007-11-29
申请号：US11419924
申请日：2006-05-23
申请人： Sankaran Narayanan , Dhigha D. Sekaran
发明人： Sankaran Narayanan , Dhigha D. Sekaran
IPC分类号： G06F15/173
CPC分类号： G06F9/5011
摘要： This document describes tools that enable fault-tolerant resource committal for a system having computing devices needing to have operations of a particular type performed by one of multiple external resources. The tools may do so without relying on leadership from a pre-selected or altered computing device. Assume, for example, that the system is a conferencing system, the computing devices are front-end servers, the operations of a particular type are those that require handling of audio from users in the conference, and the external resources are homogeneous audio multi-point control units (MCUs) each of which is capable of handling audio from all of the users. The tools may enable, in one embodiment, any of the front-end servers to allocate a single audio MCU and commit all of the other front-end servers to use that single MCU for their audio operations.
摘要翻译：本文档描述了为具有计算设备需要具有由多个外部资源之一执行的特定类型的操作的系统的系统启用容错资源提交的工具。这些工具可以这样做，而不依赖于来自预先选择或改变的计算设备的领导。例如，假设系统是会议系统，计算设备是前端服务器，特定类型的操作是那些需要在会议中处理来自用户的音频的操作，并且外部资源是均匀的音频多媒体点控制单元（MCU），每个控制单元能够处理来自所有用户的音频。在一个实施例中，这些工具可以使任何前端服务器能够分配单个音频MCU并且提交所有其它前端服务器以将该单个MCU用于其音频操作。

10. 发明授权

US09066284B2 System, method and device for call policy enforcement and routing based on user location 有权
标题翻译：基于用户位置的呼叫策略实施和路由的系统，方法和设备
公开(公告)号：US09066284B2
公开(公告)日：2015-06-23
申请号：US13273276
申请日：2011-10-14
申请人： Vijay Manian , Mahendra D. Sekaran , Sankaran Narayanan , Dhigha D. Sekaran , Sundaram Anantharaman , Lingzhi Cao
发明人： Vijay Manian , Mahendra D. Sekaran , Sankaran Narayanan , Dhigha D. Sekaran , Sundaram Anantharaman , Lingzhi Cao
IPC分类号： H04L12/66 , H04W40/20 , H04W40/24
CPC分类号： H04W40/20 , H04W40/24
摘要： Call policy enforcement and routing is based on user location. A plurality of endpoints is provided for receiving and making calls. Each of the plurality of endpoints are assigned a default policy for controlling call authorization and providing call routing rules. A mapping of policies for a plurality of locations is stored. A location of a client associated with one of the plurality of endpoints is identified. A location-based policy is obtained from the stored mapping of policies of the plurality of locations based on the identified location of the client. The obtained location-based policy is applied instead of the default policy assigned to the client associated with one of the plurality of endpoints.
摘要翻译：呼叫策略的执行和路由是基于用户的位置。提供多个端点用于接收和发出呼叫。为多个端点中的每一个被分配用于控制呼叫授权和提供呼叫路由规则的默认策略。存储多个位置的策略的映射。识别与多个端点之一相关联的客户端的位置。基于所识别的客户端的位置，从存储的多个位置的策略的映射中获得基于位置的策略。应用获得的基于位置的策略，而不是分配给与多个端点之一相关联的客户端的默认策略。

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