SERVICE SWITCHING POINT FOR EMERGENCY CALL PROCESSING, INTELLIGENT SERVICE SYSTEM USING THE SERVICE SWITCHING POINT AND METHOD FOR PROVIDING INTELLIGENT SERVICE

摘要

Intelligent network service switch for the envelope urgent telegram in intelligent network service failure, wherein SSP (Service Switching Point) completes the function and intelligent network service system and for providing the method using identical intelligent network by being arranged to carry out the function of SCP by SSP using the information of storage in SSP of SCP. Failure occurs between SCP (6) and SSP (10) in signal network. SSP cannot be normally provided actual call number from SCP. SSP enters one and generally calls processing mode. IDP (Initial Detection Point) information transmission of SCP is stopped. Actual call number, it is corresponding with from the general catalog number (Cat.No.) of local exchanger, it is searched in call number storage. By using catalogue room call number, calling connection is performed. Regularly transmission state verifies message to SCP to SSP. Intelligent network service can be normally provided again from SCP.