How to redial a dialing mis-operation in a simple-to-use telephone system

摘要

The present invention relates to a redialing method for a dialing erroneous operation of a simple switching telephone system which is capable of redialing a dialing error of a telephone number.;The present invention relates to a simple switching telephone system having a plurality of telephones each having a unique extension number different from each other and a master value for providing a calling and exchanging function for the telephones, A storing step of storing the inputted telephone number, a displaying step of displaying the stored telephone number, a key input determining step of determining whether the signal corresponding to the inputted telephone number is to be transmitted or canceled by key input When the calling key is input in the key input determining step, the signal corresponding to the stored telephone number is transmitted to the master key. When the cancel key is input, the stored telephone number is reset, and the display state is reset. And an operation control step of switching the operation mode.;Therefore, according to the present invention, it is possible to realize a method capable of redialing in the dialing erroneous operation of the simple exchange telephone system.