| 摘要 |
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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