| 摘要 |
A method of offering video ringback services includes providing a multimedia ringback media stream in a first system component and receiving a call at an MSC from an originating terminal. The call is directed to a VRBT server. The method also includes establishing a session between the VRBT server and the originating terminal and providing the multimedia ringback media stream to the originating terminal. The method further includes thereafter, receiving a message from a terminating terminal indicating that the terminating terminal has answered, transmitting a message from the VRBT server to a second system component that indicates an initiation of a chargeable session, and providing a communication path between the originating terminal and the terminating terminal with reduced involvement of the VRBT server.
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