SYSTEM FOR PROVIDING WIRED/WIRELESS VIDEO CALL SERVICES AND A METHOD THEREOF, CAPABLE OF MAKING THE SUBSCRIBER OF A CALLED TERMINAL TRANSMIT A RING-BACK-TONE SERVICE TO A CALLING TERMINAL SUBSCRIBER

摘要

PURPOSE: A system for providing wired/wireless video call services and a method thereof are provided to enable a PSTN subscriber to offer a ring-back-tone service to a mobile communication network subscriber.;CONSTITUTION: A calling mobile switching center requests information about a called terminal through a called phone number within a video call signal(S102). A BcN(Broadband Convergence Network)-PSTN(Public Switched Telephone Network) gateway includes video line information in the video call signal(S110). An exchange requests a video call request signal from an SCP(Service Control Point)(S112). The SCP requests a multimedia ring back tone service from a multimedia ring back tone providing server(360)(S114).;COPYRIGHT KIPO 2010