Method and apparatus for designating and making an automatic call for a pair of key telephone sets in a key telephone exchange system

摘要

A method for making an automatic call for a designated pair of key telephone sets attendant on a key telephone exchange system. The method includes the steps of designating a specified pair of key telephone sets to be served the automatic call therebetween in an idle state of the pair of the key telephone sets, and storing information of the designated key telephone sets into the key telephone exchange system; and causing either one of the pair of the designated key telephone sets to be connected on the automatic call with the other one of the pair of the designated key telephone sets, responsive to a request for the automatic call by either one of the key telephone sets designated, the key telephone sets being in an idle state.