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    • 3. 发明授权
    • Method and system for distribution of voice communication service via a wireless local area network
    • 通过无线局域网分发语音通信业务的方法和系统
    • US07349412B1
    • 2008-03-25
    • US10327257
    • 2002-12-20
    • Bryce A. JonesJason R. A. DelkerJohn M. Everson
    • Bryce A. JonesJason R. A. DelkerJohn M. Everson
    • H04L12/28
    • H04L12/66
    • A method and system for distributing voice communication services via wireless local area networks. An entity sells, loans, gives or otherwise distributes wireless access points, each of which is pre-configured with virtual private network (VPN) security settings to establish a VPN tunnel over a packet network with a VPN terminator on a remote telephony services network. A recipient may thus install the wireless access point on a local area network (LAN), to allow users of voice-capable wireless devices to engage in voice calls via the wireless access point, VPN tunnel and telephony services network. The distributor of the access point, or another entity, may then charge users for placing and receiving voice calls through this system.
    • 一种用于经由无线局域网分发语音通信业务的方法和系统。 实体销售,贷款,给予或以其他方式分配无线接入点,每个无线接入点预配置有虚拟专用网(VPN)安全设置,以通过远程电话服务网络上的VPN终结器在分组网络上建立VPN通道。 因此,接收者可以将无线接入点安装在局域网(LAN)上,以允许具有语音能力的无线设备的用户经由无线接入点,VPN隧道和电话服务网络进行语音呼叫。 接入点或其他实体的分发者然后可以向用户收取用于通过该系统发出和接收语音呼叫的费用。
    • 8. 发明授权
    • Method and system for making a PSTN call via the internet
    • 通过互联网进行PSTN呼叫的方法和系统
    • US07508816B1
    • 2009-03-24
    • US10932837
    • 2004-09-01
    • John M. EversonBryce A. JonesJason R. Delker
    • John M. EversonBryce A. JonesJason R. Delker
    • H04L12/66
    • H04M7/1205H04M1/2535
    • A telephony relay enables a portable communication device that is communicatively coupled to a packet-switched network to originate calls over a circuit-switched telephone network. The telephony relay has a first interface communicatively coupled to the packet-switched network, e.g., via a modem, and a second interface communicatively coupled to the circuit-switched telephone network, e.g., via an analog telephone line. To originate a call to a called number, the portable communication device transmits the called number to the telephony relay, via the packet-switched network. The telephony relay then uses an analog signaling format, e.g., DTMF tones, to transmit the called number to the circuit-switched telephone network. When the call is answered, the telephony relay conveys media between the portable communication device and the circuit-switched telephone network, converting between the analog format used by the circuit-switched network and the packet format used by the packet-switched network.
    • 电话中继使得通信地耦合到分组交换网络的便携式通信设备能够通过电路交换电话网络发起呼叫。 电话中继具有例如经由调制解调器通信地耦合到分组交换网络的第一接口,以及例如经由模拟电话线路通信地耦合到电路交换电话网络的第二接口。 为了发起对被叫号码的呼叫,便携式通信设备经由分组交换网络将呼叫号码发送到电话中继。 电话中继器然后使用诸如DTMF音调的模拟信令格式将被叫号码发送到电路交换电话网络。 当呼叫被应答时,电话中继器在便携式通信设备和电路交换电话网络之间传送媒体,在电路交换网络使用的模拟格式与由分组交换网络使用的分组格式之间进行转换。