| 摘要 |
PURPOSE: To automatically switch the call originations of an extension and an outside line by inputting the extension number of a user when calling slave equipment by enabling the home management of slave equipment by detecting whether or not the slave equipment is utilized inside zone for enabling communication with master equipment or outside the zone and displaying the result on the master equipment. CONSTITUTION: A master equipment 1A is provided with an ID reading part 21, ID storage part 22, mode detecting part 23 for collating an ID stored in the ID storage part 22 with slave equipment 10 used indoors, and mode display part 24 for displaying the mode of the slave equipment 10. Corresponding to a message between the master equipment and the slave equipment, the ID of the slave equipment 10 is read by the ID reading part 21 of the master equipment 1A, that ID is collated with the ID stored in the ID storage part 22 previously storing the ID for enabling speaking with the master equipment 1A by the mode detecting part 23, and it is displayed on the mode display part 24 whether the slave equipment 10 exists inside the communication enable zone or not. Thus, when calling the slave equipment from the master equipment 1A, it is not necessary for the user to respectively send calls to the extension and the outside line. |
