MULTIPLE CHANNEL ACCESS SWITCHING METHOD FOR APPLYING WIRELESS DATA COMMUNICATION SERVICE AND SHORT MESSAGE SERVICE(SMS) AND APPARATUS THEREOF

摘要

PURPOSE: A multiple channel access switching method applies a wireless data communication service and a short message service(SMS). CONSTITUTION: According to a multiple channel access switching device(8), in case that a wireless communicator(1) wants to be communicated with the other man by using two channels of a wireless data communication service and a short message service, if a communication between the communicator and the other man is made, a repeater device is continuously connected to the other man, and is connected to the wireless communicator(1) as needed. The method selectively selects a wireless data communication service or a short message service according to the selection of the wireless communicator. Thereby, the whole communication cost is reduced.