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    • 1. 发明申请
    • APPARATUS FOR SELECTIVELY CONNECTING A TELEPHONE TO A TELEPHONE NETWORK OR THE INTERNET AND METHODS OF USE
    • 用于将电话机选择性地连接到电话网络或互联网的方法和使用方法
    • WO2001065809A1
    • 2001-09-07
    • PCT/US2001/040225
    • 2001-03-01
    • ACTIONTEC ELECTRONICS, INC.
    • CHANG, Tsung-Yen, DeanLI, ChuangHO, Chee, HinGU, Bin, Lang
    • H04M1/00
    • H04M1/2473H04M1/2535
    • Apparatus and method are provided for selectively providing telephone service that is either PSTN-based on Internet-based using standard analog telephone circuit. In a first embodiment, the apparatus (10) comprises a hardware module and associated software for coupling a personal computer (14) or Internet appliance and a standard analog telephone (20). The apparatus includes a DTMF interface circuit (39), a subscriber line interface circuit (36), and an interface circuit (38) for interfacing with the PC or Internet appliance. The apparatus (10) permits the analog telephone (20) to be toggled between an Internet-based telephone mode and a PSTN-network mode by inputting a predetermined sequence of DTMF digits. In alternative embodiments, the apparatus (10) comprises a processor, modem and optionally, analog telephone circuit, to provide a stand-alone or partially-integrated device capable of selectively switching between PSTN-based and Internet-based telephony services.
    • 提供装置和方法,用于选择性地提供基于因特网的使用标准模拟电话电路的PSTN的电话服务。 在第一实施例中,装置(10)包括用于连接个人计算机(14)或互联网设备和标准模拟电话(20)的硬件模块和相关软件。 该装置包括DTMF接口电路(39),用户线路接口电路(36)和用于与PC或因特网设备接口的接口电路(38)。 该装置(10)通过输入预定的DTMF数字序列,允许模拟电话(20)在基于因特网的电话模式和PSTN网络模式之间切换。 在替代实施例中,设备(10)包括处理器,调制解调器和可选地模拟电话电路,以提供能够在基于PSTN和基于因特网的电话服务之间选择性地切换的独立或部分集成的设备。