| 摘要 |
A system and a method for communicating information using the public switched telephone network and a wide area network. The method includes the steps of a) the first system dialling a first telephone call to the second system, b) the first system sending to the second system a data block which includes at least data defining a call request, c) disconnecting the first telephone call, d) both systems connecting to the wide area network by each dialling a second telephone call, wherein the second system uses the call request data for dialling the second telephone call, e) one of the systems connecting to the other system through the wide area network and f) exchanging the information between the systems through the wide area network. The system includes at least a computer and a communications interface. The system can also include a telephone which includes a communication unit, a computer interface, a controller and a switch. The switch is switchable between two states. In the first state the communication unit is connected to a telephone line. In the second state the communication unit is connected to the computer and the computer is connected to the telephone line. |
