Method for processing sms service of pcs
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PURPOSE: A method for processing a supplementary service in a PCS(Personal Communication Service) is provided to improve the usage efficiency of a network by transmitting and receiving a text message regardless of an existing of a call. CONSTITUTION: A terminal(101) and an SMS supplementary service device(107) finishes a transmission state by generating and receiving a shrot message. The terminal(101) stores the short message temporarily and reports an existing of a receipt of the short message in order to process the short message. A short message processing system(105) processes a short message service, and performs a gateway function of the short message service, and performs a short message service MAP(Mobile Application Part) in order to interwork with a PCX/VLR(103) and an HLR(104), and performs a protocol matching function in order to interwork with an external service provider. The PCX/VLR(103) is connected to a base station/base station controller(102) and a short message processing system(105), and intermediates and exchanges the short message by performing a routing, and discriminates the short message.