How to break-in the Centx guide in a small capacity electronic changer

摘要

The present invention relates to a method for break-in of a Centlex guide in a small-capacity electronic switchboard. The present invention relates to a Centrex function for connecting a desired extension subscriber in a Centrex group at a Centrex desk when a call request for an extension subscriber in a Centrex group is provided from an external subscriber. A method for break-in of a CENTLEX guide in a small-capacity electronic switchboard, comprising: searching for an extension of a CENTLEX group in a busy state when the external subscriber requests the CENTLEX guide to talk to an extension subscriber in a CENTLEX group. step; If the extension subscriber in the CENTREX group is busy, providing a break-in key to the small-capacity electronic switchboard at the CENTLEX guide to form a call path between the CENTLEX guide and the extension subscriber; When the extension subscriber requests a call with the external subscriber, the Centx information desk provides a release key signal to the small-capacity electronic switchboard to block the previous call path of the extension subscriber, and then the call between the extension subscriber and the external subscriber. And forming a new furnace.