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    • 1. 发明授权
    • Architecture for a central office using IP technology
    • 使用IP技术的中心局的架构
    • US06954454B1
    • 2005-10-11
    • US09303514
    • 1999-05-03
    • Guido M. SchusterIkhlaq S. SidhuJerry J. MahlerDavid GrabelskyJacek A. GrabiecThomas J. KostasMichael S. Borella
    • Guido M. SchusterIkhlaq S. SidhuJerry J. MahlerDavid GrabelskyJacek A. GrabiecThomas J. KostasMichael S. Borella
    • H04L12/56H04L12/66
    • H04L12/56
    • A telephony system and method having a switch for analog voice and data signals that is connected to a first network, and a router for routing Internet Protocol packets that is connected to a second network using Internet Protocol addressing. The telephony system and method also includes a telephony gateway that is connected to both the switch and the router for converting analog voice signals into Internet Protocol packets and for converting Internet Protocol packets into analog voice signals, the telephony gateway being connected, and a remote access server that is connected to both the switch and the router for converting analog data signals into Internet Protocol packets and for converting Internet Protocol packets into analog data signals. The switch may have a switch matrix capable of being connected to the Public Switched Telephone Network, a line rack with a plurality of line cards connected to the switch matrix, and a trunk rack with a plurality of trunk cards connected to the switch matrix. The switch matrix may also be connected to the telephony gateway and the remote access server.
    • 具有连接到第一网络的模拟语音和数据信号的交换机的电话系统和方法,以及用于使用因特网协议寻址连接到第二网络的因特网协议分组的路由器。 电话系统和方法还包括连接到交换机和路由器的电话网关,用于将模拟语音信号转换为因特网协议分组,并将互联网协议分组转换为模拟语音信号,连接的电话网关和远程访问 连接到交换机和路由器的服务器,用于将模拟数据信号转换成互联网协议包,并将互联网协议包转换为模拟数据信号。 开关可以具有能够连接到公共交换电话网络的开关矩阵,具有连接到开关矩阵的多个线路卡的线架,以及具有连接到开关矩阵的多个干线卡的中继架。 交换矩阵也可以连接到电话网关和远程访问服务器。
    • 3. 发明授权
    • System and method for providing telephone service having private branch exchange features in a voice-over-data network telephony system
    • 用于在数据网络话音系统中提供具有专用分支交换特征的电话业务的系统和方法
    • US06804224B1
    • 2004-10-12
    • US09515365
    • 2000-02-29
    • Guido M. SchusterIkhlaq S. SidhuJerry J. MahlerFrederick D. DeanJacek A. Grabiec
    • Guido M. SchusterIkhlaq S. SidhuJerry J. MahlerFrederick D. DeanJacek A. Grabiec
    • H04L1266
    • H04M7/1285H04M7/1245
    • A system and method for providing telephone service to a user of a telecommunications device using a data network service provider. The data network service provider has a local service host that is accessible by a local access identifier. A caller uses a telecommunications device to dial the local access identifier to connect to the local service host. In response to a prompt, the caller dials a telephone extension that identifies the callee's telecommunications device. The local service host receives the telephone extension and verifies that the callee is a subscriber. The local service host then retrieves the gateway nearest the callee telecommunications device and opens a voice-over-data channel between the callee and caller gateways. The telephone conversation then proceeds between the callee and caller telecommunications devices over a public switched telephone network connection to the caller gateway, the voice-over-data channel and the PSTN connection to the callee telecommunications device.
    • 一种用于使用数据网络服务提供商向电信设备的用户提供电话服务的系统和方法。 数据网络服务提供商具有可由本地访问标识符访问的本地服务主机。 呼叫者使用电信设备拨打本地接入标识符来连接本地业务主机。 响应于提示,呼叫者拨打一个电话分机,标识被叫方的电信设备。 本地服务主机接收电话分机,并验证被叫方是否为用户。 本地服务主机然后检索最近被叫电信设备的网关,并在被叫方和呼叫者网关之间打开数据通道。 电话会话然后通过公共交换电话网连接到呼叫者网关,语音数据信道和到被叫电信设备的PSTN连接,在被叫方和呼叫者电信设备之间进行。
    • 5. 发明授权
    • Flexible dial plan for a data network telephony system
    • 数据网络电话系统的灵活拨号方案
    • US06731630B1
    • 2004-05-04
    • US09515797
    • 2000-02-29
    • Guido M. SchusterIkhlaq S. SidhuFrederick D. DeanJerry J. MahlerJacek A. GrabiecAndrew Bezaitis
    • Guido M. SchusterIkhlaq S. SidhuFrederick D. DeanJerry J. MahlerJacek A. GrabiecAndrew Bezaitis
    • H04L1556
    • H04L29/1216H04L29/06027H04L29/12094H04L29/12122H04L61/1529H04L61/1547H04L61/157H04L65/1069H04M1/2535H04M1/274566H04M3/42127H04M3/42314H04M7/128H04Q2213/13034H04Q2213/13097H04Q2213/13222H04Q2213/13389Y10S379/90
    • A dial plan for a data network telephony system is provided. A variable-length-code scheme is used to assign communication numeral strings to user identifiers and/or device identifiers, such as SIP URIs (Universal Resource Identifier). The dial plan enables a user to enter a user identifier (or device identifier) into a conventional keypad of a data network telephone, such as an Internet telephony phone. Additionally, embodiments of the disclosed dial plan include techniques for dialing from one data network telephone to another data network telephone utilizing the same service provider, dialing from one data network telephone utilizing a first service provider to a second data network telephone utilizing a second service provider, and dialing from a data network telephone to a PSTN phone and vice versa. The flexible dial plan preferably includes formulating a communication number into a domain portion and a subscriber portion, where the domain portion and the subscriber portion each include a quantity indicator to specify a number of digits making up the remainder of the domain portion, the subscriber portion, or the entire communication portion. Upon accepting an entered communication number from a user, the data network telephone parses the entered communication number into the domain portion and the subscriber portion and accesses database to determine a user identifier or device identifier corresponding to the entered communication number. The data network telephone may then set up a call using the determined user identifier.
    • 提供了数据网络电话系统的拨号方案。 可变长度代码方案用于将通信数字字符串分配给用户标识符和/或设备标识符,诸如SIP URI(通用资源标识符)。 拨号方案使用户能够将用户标识符(或设备标识符)输入到诸如因特网电话电话的数据网络电话的常规键盘中。 另外,所公开的拨号方案的实施例包括从一个数据网络电话拨号到使用相同服务提供商的另一个数据网络电话的技术,利用第一服务提供商从一个数据网络电话拨号到使用第二服务提供商的第二数据网络电话 ,并从数据网络电话拨号到PSTN电话,反之亦然。 灵活的拨号方案优选地包括将通信号码配制到域部分和用户部分中,其中域部分和用户部分各自包括数量指示符,以指定构成域部分的剩余部分的数字数,用户部分 ,或整个通信部分。 数据网络电话机在接收到用户输入的通信号码后,将输入的通信号码解析为域部分和用户部分,并访问数据库,以确定与输入的通信号码相对应的用户标识符或设备标识符。 然后,数据网络电话可以使用确定的用户标识符建立呼叫。