Hybrid type telephony system
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United States of America Patent
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Apr 30, 2013
Grant Date -
Dec 3, 2009
app pub date -
Jul 30, 2009
filing date -
Feb 22, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A hybrid type telephony system capable of establishing a connection between conventional type telephone sets contained in an exchange unit and LAN type telephone sets contained in an IP network, the system comprising: a gateway circuit connected between the exchange unit and the IP network and performing voice data format conversion, and a central control unit connected to the LAN of the IP network for establishing a communication path to the exchange unit via a control bus, controlling switching of IP packets of the IP network, managing IP address information of the LAN type telephone sets and the gateway circuit via the LAN, and controlling connection between the LAN type telephone sets and connection between the LAN type telephone sets and the gateway circuit.
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