| 摘要 |
The invention relates to a procedure and system for executing a personal alarm function by means of a telecommunication terminal (1) in a telecommunication system comprising a telephone network, a telephone exchange (2, 6) connected to the telephone network, an intelligent network element (3, 7) connected to the telephone network and a telecommunication terminal (1) connected to the telephone network. In the procedure of the invention, a hidden mode is defined in conjunction with a call made from the telecommunication terminal (1), the mode is verified in the intelligent network element (3, 7) in conjunction with the setup of each call and an alarm function (8) is executed when the mode differs from the defined mode. The system of the invention comprises means for defining a hidden mode in conjunction with a call made from the telecommunication terminal (1), means in the intelligent network element (3, 7) for verifying the mode in conjunction with the setup of each call and means for executing an alarm function (8) when the mode differs from the defined mode.
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