| 摘要 |
PROBLEM TO BE SOLVED: To provide a interphone system capable of reporting that manager room equipment is called from dwelling unit to a manager in the case that the manager is absent, thereby obtaining the smooth communication between the residents of respective dwelling units and the manager. SOLUTION: This interphone system having at least the manager room units SM1 and SM2 and plural the dwelling units J1-Jn is provided with a storage means for storing calling information showing that the manager room unit SM1 or SM2 is called from either one of the dwelling units J1-Jn and a first display means for reading and displaying the calling information stored in the storage means. |
