| 摘要 |
PURPOSE:To allow the cordless telephone system to recognize how much talking charge is consumed by which slave set by storing a calculated talking charge, an extension number used by the slave set and information of the slave set or the like. CONSTITUTION:A master set 1 is connected to an exchange 4 via a wired line 3, and the exchange 4 is provided with an exchange 4a and a charge system 4b storing the charge calculation or the like, the extension number of the wired line, information of slave sets 21-2N and a charge calculation value. When an external line is used by the slave sets 21-2N, the exchange 4 activates the charging function together with the external connection, the talking charge is calculated and the talking charge, the extension number in use and information (ID code) of the slave set are stored. Since the talking charge and the ID code or the like of the slave set are stored in this way, which slave station uses which line and how much talking charge is consumed are recognized. |
