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    • 2. 发明授权
    • Dynamic allocation of wireless mobile nodes over an internet protocol (IP) network
    • 通过互联网协议(IP)网络动态分配无线移动节点
    • US06970443B2
    • 2005-11-29
    • US09863170
    • 2001-05-22
    • Richard J. DynarskiYingchun XuAndrew BezaitisWayne A. Cichosz
    • Richard J. DynarskiYingchun XuAndrew BezaitisWayne A. Cichosz
    • H04L29/06H04Q7/24
    • H04L61/106H04L63/08H04L67/14H04L67/141H04W8/26H04W68/00H04W80/04
    • A method is described of automatically locating and connecting a mobile wireless communications device to a packet-switched network such as the Internet. An Internet Protocol (IP) packet from a terminal on the network, destined for receipt by the mobile device, is received at a home agent acting as a gateway or router linking the packet switched network to a second network, such as LAN, coupled to a wireless communications network. The home agent transmits an access-request message to an authentication server. The access-request message includes a destination IP address associated with the mobile device found in the IP packet. The authentication server responsively issues an access-accept message to the home agent if the mobile device is authorized to receive the IP packet. The access-accept message comprises (a) information uniquely identifying said device, such as the IMSI/ESN number for the device, and (b) information identifying a network to use to locate said device. The home agent issues a message containing the information uniquely identifying the device to a mobile node location server. The mobile node location server maintains a table mapping IP addresses for a plurality of mobile communication devices to information uniquely identifying the devices. In the event that the mobile node location server does not find an IP address for the device in the table, the device is paged via the wireless communications network. In response to the page, the mobile device dials into the wireless communications network and second network and initiates a connection to the packet switched network whereby the IP packet is transmitted to the device.
    • 描述了一种自动地将移动无线通信设备定位并连接到分组交换网络(诸如因特网)的方法。 来自网络终端的互联网协议(IP)数据包,发往移动设备的接收,在作为将分组交换网络连接到第二网络(如LAN)的网关或路由器的归属代理处接收,耦合到 无线通信网络。 归属代理向认证服务器发送访问请求消息。 访问请求消息包括与IP分组中发现的移动设备相关联的目的地IP地址。 如果移动设备被授权接收IP分组,则认证服务器响应地向归属代理发出访问接受消息。 访问接受消息包括(a)唯一地识别所述设备的信息,诸如设备的IMSI / ESN号码,以及(b)标识用于定位所述设备的网络的信息。 归属代理向移动节点位置服务器发出包含唯一地标识该设备的信息的消息。 移动节点定位服务器维护将多个移动通信设备的IP地址映射到唯一地识别设备的信息的表。 在移动节点定位服务器没有在表中找到设备的IP地址的情况下,通过无线通信网络寻呼设备。 响应于该页面,移动设备拨入无线通信网络和第二网络,并发起到分组交换网络的连接,从而将IP分组传送到设备。
    • 10. 发明授权
    • Touch tone replacement for internet telephony
    • 触摸音更换互联网电话
    • US06757276B1
    • 2004-06-29
    • US09198827
    • 1998-11-24
    • Matthew HarperRichard J. DynarskiTimothy G. MortsolfKenneth L. Peirce, Jr.
    • Matthew HarperRichard J. DynarskiTimothy G. MortsolfKenneth L. Peirce, Jr.
    • H04L1264
    • H04M3/18H04M7/1295
    • Tones that are generated by a telephone or PC (such as DTMF tones) and subject to loss or noise during generation or during transmission along a medium are detected and replaced with substantially noise-free and distortionless digital signals. In one embodiment, the replacement of the tones is done in a modem embodied in an Internet telephony Gateway/Terminal, such as in a network access server coupling a time division multiplexed telephone line to a packet-switched network. The replacement of the tones may also be performed in any suitable device that provides an interface between a time division multiplexed transmission medium and a packet switched data network, such as in the modems of a cellular telephone network to Internet network access server.
    • 由电话或PC产生的音调(如DTMF音调),并在发生过程中或在传输过程中遭受损失或噪声,并被基本上无噪声和无失真的数字信号所检测并替代。 在一个实施例中,音调的替换在互联网电话网关/终端中体现的调制解调器中完成,诸如将时分多路复用的电话线耦合到分组交换网络的网络接入服务器。 音调的替换也可以在提供时分复用传输介质和分组交换数据网络之间的接口的任何合适的设备中执行,例如在蜂窝电话网络的调制解调器到因特网网络接入服务器中。