| 摘要 |
To set up a telecommunication link to a person who is in a substantially enclosed facility such as an airplane, inside which there are several internal communication transmitting terminals operated by a private branch exchange of the facility, a personal call number is assigned to a private telecommunication transmitting terminal of the person in a public telecommunication network at least during the person's stay in the facility, the assignment is stored of his/her personal call number to the internal communication transmitting terminal assigned to the person during his/her stay in the facility. A call directed to the personal call number of the person is rerouted together with the personal call number or a corresponding ID to the private branch exchange. The internal communication transmitting terminal assigned to the personal call number/ID is then determined using the stored assignment and the call is forwarded to this internal communication transmitting terminal, whereby the person remains able to be reached under his/her personal call number.
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