| 摘要 |
The invention provides a telecommunication system comprising at least one server running a computer program which enables said server to receive a request from a calling external telecommunication device for a telecommunication connection with a receiving external telecommunication device, establish a data connection with said calling external telecommunication device in response to said request, receive from said calling external telecommunication device a receiver identifier and store said receiver identifier, establish a data connection with said receiving external telecommunication device using said receiver identifier, transmit to said receiving external telecommunication device, after a data connection with said receiving external telecommunication device is established, a server identifier, close said data connection with said receiving external telecommunication device after said transmission, receive a request for a telecommunication connection from said receiving external telecommunication device via said server identifier within a time slot after said closing, check, in response to said request for a telecommunication connection from said receiving external telecommunication device via said server identifier, if a receiver identifier of said receiving external communication device matches said stored receiver identifier, and establish a telecommunication connection through said server between said calling external telecommunication device and said receiving external telecommunication device if the receiver identifier matches said stored receiver identifier. |
