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News | 07/07/2004 4:00 am EDT

Mediatrix granted patent for VoIP 911 calling
The Canadian Intellectual Property Office has granted Montreal-based Mediatrix Telecom Inc. a patent for a Voice over IP access device, which allows 911 calling in a VoIP network architecture. The patent (#2303392) allows conventional telephones to make phone calls over IP networks, but in the case of 911 calls they are routed over the legacy circuit-switched telephone network. This is accomplished by a controller circuit, with an embedded software agent, that intelligently routes calls based on a set of pre-established routing rules. A news release reads: "This proprietary intelligent routing technology provides a reliable emergency 911 service allowing accurate location and call back of the individual in distress." The device also allows for calls to be routed over the PSTN in the event of a power failure.

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