Ring back tone is periodical audible mechanical tone generated by temination switch let A-Party
know B-party's call terminating status.
MRBT service replaces this mechanical toned ring back tone to pre-defined music and other sound set by B-Party.
The platform for MRBT service consist of MRBT-IP, MRBT Service Platform and Subscriber service channerl. MRBT-IP is respansible for music playing, MRBT Service Platform has the role of music contents and service profile management and Subscriber Service channerl can be selected among Web, Wap and IVR. Besides, the platform shall be interfaced with O&M and billing system in core network.
STI has the patent of MRBT service and has commercial references KTF Ring2U and Docom RingBackTone Service since its commercial development in 2002.