Telephonic communications – Special services – Service trigger
Reexamination Certificate
2011-03-22
2011-03-22
Cumming, William D (Department: 2617)
Telephonic communications
Special services
Service trigger
C379S085000, C379S087000, C455S412200, C348S014010, C348S014020
Reexamination Certificate
active
07912198
ABSTRACT:
A system for implementing multimedia ring back tone service is disclosed, which includes a communication network, an MRBT platform storing multimedia ring back tones in the communication network and a VIG. The MRBT platform is respectively connected to the Service Switch Center dominating the terminal and an MGW in the communication network through the VIG; when a calling terminal initiates a call through the Service Switch Center, the VIG establishes a communication link from the terminal to the MRBT platform through the MGW and the VIG before the call is put through; and MRBT platform plays multimedia ring back tones for the calling terminal via the established communication link. The present invention also provides a method for implementing multimedia ring back tone service is also disclosed. The system and the method can implement multimedia ring back tone service in 3G communication networks.
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Cheng Yihua
Jin Weirong
Zhang Hui
Cumming William D
Huawei Technologies Co. Ltd.
Leydig , Voit & Mayer, Ltd.
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