Patent ID: 6181930
Filing Date: 2001-01-30
Classification: H04W

Abstract:
A call set-up method for a code division multiple access (CDMA) mobile communication system, comprising the steps of: transmitting call set-up information through an overhead channel from a base station transceiver (BTS) to a mobile station prior to a call set-up, the overhead channel including a pilot channel, sync channel and paging channel; recognizing a location and a status of the mobile station and preparing to establish a communication between the BTS and the mobile station, by the BTS; transmitting an area code corresponding to a location of the BTS, from the BTS to the mobile without adjusting frequency or other communication parameters of the mobile station; displaying the area code on a display screen of the mobile station; and pressing a telephone number following the displayed area code to call a Public Switched Telephone Network (PSTN) subscriber located in an area corresponding to the displayed area code, the call being established with the displayed area code.