The process to announce a calling party on a source system that a called party in a system service is not approachable to a radio telecommunications network, and.Through an indicator of language choice from a service system to a system of announcement in a system of origin in a radio telecommunications network

摘要

"Processes to announce a calling party on a source system that a called party in a system service is not approachable to a radio telecommunications network, and.Through an indicator of language choice from a service system to a system of announcement in a system of origin in a radio telecommunications network.The process of announcing a party calling M source system (31) in a radio telecommunications network (30) to a called party in a service system (34) is not available.The process begins by sending a request message to request routing (routreq) (37) from the source system to the system of service.The request message includes a parameter routreq capacity of transaction (61) indicating that the source system is capable of generating advertisements.The service system determines that the called party is not available.This is followed by sending a request message to request redirection (redreq) (44) from the service system to the original system.The request message includes a parameter of redreq advertisement list (62) for the original system provide an announcement (47) to the calling party,The preferred language and may include a parameter (64).The request message includes a parameter redreq permission to transfer to the number (65) if the sign services requiring support of logic of the service.Any trunk captured from the sisetma origin for the service system is then released.Finally, the original system sends the announcement (47) to the calling party, announcing that the called party is not available.If a parameter of the preferred language is received, the system of origin makes the announcement in the preferred language indicated.