INTERWORKING SYSTEM AND METHOD FOR PROVIDING MULTIMEDIA RING BACK TONE SERVICE BETWEEN OPERATORS

摘要

A linking system for providing a multimedia ring-back-tone service between provider networks based on the recipient information and a service offer method using the same are provided to supply the multimedia ring-back-tone service in case that a video call is performed on the internet. A call processing interlock(104) transmits and receives a call related message between different receiver/caller terminals(102) and supplies the recipient information requesting the call processing. A multimedia ring-back tone application server(106) receives the recipient information from the call processing interlock and requests the multimedia ring-back-tone service. The multimedia ring-back-tone service is provided for the calling terminal according to a media server(108).