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1. 发明申请

US20050282543A1 Inter-site call routing and roaming support 有权
标题翻译：站内呼叫路由和漫游支持
公开(公告)号：US20050282543A1
公开(公告)日：2005-12-22
申请号：US10871785
申请日：2004-06-18
申请人： Ajaykumar Idnani , Peter Drozt , Mark Hamlen , Srinivas Miriyala , Steven Upp
发明人： Ajaykumar Idnani , Peter Drozt , Mark Hamlen , Srinivas Miriyala , Steven Upp
IPC分类号： H04L12/28 , H04L29/06 , H04M7/00 , H04W8/12 , H04W80/00 , H04W84/16 , H04Q7/20
CPC分类号： H04L65/1006 , H04L29/06027 , H04L65/1069 , H04M3/42314 , H04M7/0075 , H04M7/009 , H04M2207/18 , H04W8/12 , H04W80/00 , H04W84/16
摘要： A method (600,700) and apparatus (800) are arranged and operate for facilitating call routing between sites in an enterprise connected by a private IP network (130). A range of identifiers (220-223) served by IP PBXs (120-123) in the enterprise may be registered with a SIP registrar (212) of an inter-site router (210). Call requests to a communication unit (350) outside the home site are routed to the SIP registrar. A site identifier associated with the destination IP PBX allows the call to be completed by the SIP Proxy or the IP PBX where the call was received. When no private IP network is available, a roaming CU registers with a cellular proxy in the visited network. Calls are routed by when an HLR (340) associated with the CU obtains the roaming number from the cellular proxy (330) in the visited site. The MSC completes the call to the visited IP PBX using the roaming number and a local SIP registrar 440 forwards the call to the CU.
摘要翻译：一种方法（600,700）和装置（800）被布置和操作以便于由私有IP网络连接的企业中的站点之间的呼叫路由（130）。由企业内的IP PBX（120-123）服务的一系列标识符（220-223）可以被注册到站点间路由器（210）的SIP注册器（212）。向主站外的通信单元（350）的呼叫请求被路由到SIP注册器。与目的地IP PBX相关联的站点标识符允许呼叫由SIP代理或接收到呼叫的IP PBX完成。当没有专用IP网络可用时，漫游CU在访问网络中与蜂窝代理注册。当与CU相关联的HLR（340）从访问站点中的蜂窝代理（330）获取漫游号码时，呼叫路由。 MSC使用漫游号码完成对所访问的IP PBX的呼叫，并且本地SIP注册器440将呼叫转发到CU。

2. 发明申请

US20060072481A1 Apparatus and method to facilitate mobility management 审中-公开
标题翻译：便于移动管理的装置和方法
公开(公告)号：US20060072481A1
公开(公告)日：2006-04-06
申请号：US10955474
申请日：2004-09-30
申请人： Alex Hirsbrunner , Mark Hamlen , Ajaykumar Idnani , Steven Upp , Kamala Urs , Les Vietzke
发明人： Alex Hirsbrunner , Mark Hamlen , Ajaykumar Idnani , Steven Upp , Kamala Urs , Les Vietzke
IPC分类号： H04L12/28
CPC分类号： H04W60/00 , H04L65/1006 , H04L67/24 , H04W8/04 , H04W80/10 , H04W84/12
摘要： Information regarding the present location of a dual-mode (or multi-mode) mobile station with respect to a plurality of communication systems is timely maintained by facilitating automated contact information modifications via, for example, a mobility management server (30). In a preferred approach, upon receiving a message (11) evidencing the supported presence of a mobile station in a first communication system comprising a wireless wide area network, one automatically responds (12) by modifying such contact information as is retained in a Session Initiation Protocol registrar. Testing (21) can be utilized to assure the propriety of making such alterations and/or deletions.
摘要翻译：通过例如通过移动性管理服务器（30）促进自动化联系人信息修改，可以及时维护关于多模式（或多模式）移动站在多个通信系统中的当前位置的信息。在优选的方法中，当接收到证明在包括无线广域网的第一通信系统中支持的移动台的存在的消息（11）时，通过修改在会话发起中保留的联系人信息来自动响应（12）协议注册商可以使用测试（21）来确保进行此类更改和/或删除的适当性。

3. 发明授权

US06980821B2 Call center access in a push to talk based call system 有权
标题翻译：呼叫中心接入一键通呼叫系统
公开(公告)号：US06980821B2
公开(公告)日：2005-12-27
申请号：US10167840
申请日：2002-06-12
申请人： Senaka Balasuriya , Gregory W. Cox , Steven Upp , Walter L. Johnson
发明人： Senaka Balasuriya , Gregory W. Cox , Steven Upp , Walter L. Johnson
IPC分类号： H04W4/10 , H04W84/08 , H04B7/00
CPC分类号： H04W8/186 , H04W4/10 , H04W76/45
摘要： A dispatch based call system configured to contact a call center using a single unique name or number. Multiple users are able to simultaneously dispatch the single generic call center number and communicate with a unique end station or individual at the call center. A user, or subscriber unit, when dispatching a call communicates initially with the service provider infrastructure. The infrastructure then establishes communication with the call center. The call center determines the identifier of an available end station and the subscriber is subsequently connected to the available end station.
摘要翻译：基于调度的呼叫系统，配置为使用单个唯一的名称或号码联系呼叫中心。多个用户能够同时发送单个通用呼叫中心号码，并与呼叫中心的独特终端站或个人进行通信。用户或订户单元在调度呼叫时最初与服务提供商基础架构通信。然后，基础设施与呼叫中心建立通信。呼叫中心确定可用终端站的标识符，并且用户随后连接到可用终端站。

4. 发明申请

US20050237962A1 Mobile station mobility in a wireless LAN 有权
标题翻译：移动台在无线局域网中的移动性
公开(公告)号：US20050237962A1
公开(公告)日：2005-10-27
申请号：US10831825
申请日：2004-04-26
申请人： Steven Upp , Michael Stepien , Timothy Wilson
发明人： Steven Upp , Michael Stepien , Timothy Wilson
IPC分类号： H04L12/28 , H04L12/54 , H04L29/06 , H04W8/26 , H04W80/04 , H04Q7/00
CPC分类号： H04W8/26 , H04W80/04
摘要： Methods and apparatus for facilitating mobility of the mobile stations in a wireless local area network (WLAN) allows uninterrupted communications as the mobile station moves. The method includes associating (501) a MNIP address (410) with the mobile station; establishing (502) a communications link between the mobile station and a first WLAN AP (109) in a first subnet (117) and associating (503) a first WLAN IP (420) address with the mobile station. Then using (505) the first WLAN IP address for an application that benefits from a persistent connection. Further included is establishing (507) a second communications link between the mobile station and a second WLAN AP 111 in a second subnet (119). When the mobile station is using the application, continuing to use the first WLAN IP address for communicating with the second subnet; and requesting (517) a second WLAN IP address in the second subnet when the persistent connection is no longer needed.
摘要翻译：用于促进无线局域网（WLAN）中的移动站的移动性的方法和装置允许移动站移动时的不间断通信。该方法包括将（501）MNIP地址（410）与移动台相关联; 在第一子网（117）中建立（502）移动台与第一WLAN AP（109）之间的通信链路，并将第一WLAN IP（420）地址与移动台相关联（503）。然后使用（505）第一个WLAN IP地址为受益于持续连接的应用程序。还包括在第二子网（119）中建立（507）移动台与第二WLAN AP 111之间的第二通信链路。当移动台正在使用该应用时，继续使用第一WLAN IP地址与第二子网进行通信; 并且当不再需要持续连接时，请求（517）第二子网中的第二WLAN IP地址。

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