Method for automatic dialing using call id.

[The art that the invention set forth in the claims; How to determine the other party telephone number with a call identity (ID) provided from gukseol exchanger and a method for automatically dialing the other party telephone number. [Technical Problem The invention is to solve; If the prior art, to know the telephone number of the calling party, such as forwarding and obscene calls, missed calls threatening there was possible to make a call and have the central office. [Solution subject matter of the invention; Register to detect a call ID inherent to the other party telephone number from which an incoming ring signal from switch gukseol, searches for the registered call ID to determine the other party telephone number to a method of automatically dialing the. [An important use of the invention; cellphone