METHOD AND TELECOMMUNICATION SYSTEM FOR PROVIDING WIRED TELEPHONE SERVICE TO MOBILE COMMUNICATION SUBSCRIBER

摘要

PURPOSE: A method for providing a wire telephone service to a mobile communication subscriber and a communication system thereof are provided to use a wire telephone service as well as a mobile communication service using a USIM(Universal Subscriber Identification Module) card. CONSTITUTION: A wire telephone(120) mounts a USIM card. If a call is originated, the wire telephone reads subscriber identification information from the USIM card. The wire telephone transmits a call setup request message. A wire exchange(130) determines whether a caller is a mobile communication subscriber.