Method and apparatus for fallback routing of voice over internet protocol call
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United States of America Patent
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Sep 17, 2002
Grant Date -
N/A
app pub date -
Dec 23, 1998
filing date -
Jun 19, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus causes alternate connection of a telephone call directed to an IP network if the quality of service provided by the IP network is less than a predetermined threshold. A network monitor measures a transmission rating factor for the IP network. An IP network interface, coupled to the network monitor, an originating system, and the IP network, receives the telephone call for a dialed number from the originating system. The IP network interface causes the originating system to connect the telephone call through a first network if the measured transmission rating factor for the IP network is less than the desired transmission rating factor, and connects the telephone call through the IP network otherwise.
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