JPS6427352A - Telephone system with holding transfer function - Google Patents

Abstract

PURPOSE:To attain holding transfer of a doorphone set during talking with a slave telephone set or attain holding transfer of a slave telephone set during talking with other slave telephone set in extension call by devising the titled set in such a way that another slave telephone set during holding is transferred to other slave telephone set through the transfer operation of a holding sender slave telephone set. CONSTITUTION:When a slave telephone set 12 applies the talking holding operation while being in external line talking with a trunk line, in extension talking with another telephone set 12 or in doorphone talking with a doorphone 13, a holding tone melody is sent to the trunk line, the other slave set 12 or the doorphone 13 subjected to holding. Then the transfer operation by the holding sender slave set 12 allows to transfer the trunk line, the other slave set 12 or the doorphone 13 in holding to other new slave set 12. Thus, for example, a visitor and other party than the objective person of the visitor as the doorphone talking party of the visitor replies, then the objective person of the visitor is sought easily and the interview with the visitor is attained with much preparation after the doorphone talking once.