| 摘要 |
Data to be transmitted from an information source (301), associated with a local/wide area network (303), to a target destination (317) is formatted into a plurality of data packets. Based on a message type of the data packets, either a circuit-switched network (311) or a packet-switched network (309) is selected. When the circuit-switched network is chosen, a circuit-switched channel (314) is established to the target destination, and the data packets are transmitted to the target destination via the circuit-switched channel. When the packet-switched network is chosen, a packet-switched channel (313) is established to the target destination, and the data packets are transmitted to the target destination via the packet-switched channel.
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