MOBILE TELECOMMUNICATION SYSTEM, DIFFERENT MOBILE DEVICES FOR SHARING SAME PHONE NUMBER ON MOBILE TELECOMMUNICATION SYSTEM AND METHOD FOR PROVIDING MOBILE TELECOMMUNICATION SERVICE ON DIFFERENT MOBILE DEVICES SHARING SAME PHONE NUMBER

摘要

A mobile communications system comprises: a first mobile device for performing a mobile communications function by using first subscriber identification module (SIM) information on a phone number; a second mobile device for performing the mobile communications function by using a second SIM information on the same phone number; and a server for receiving any one of requests for use of the first and second SIM information, and connecting a phone call to a mobile device which transmits the request for use when the phone call is requested with the phone number thereof.