SYSTEM OF USER CIRCUIT SWITCHING AGENT, COMMUNICATION DEVICE AND SERVICE PROVIDING METHOD USED FOR THIS Russian patent published in 2012 - IPC H04L12/66

Abstract RU 2447597 C2

FIELD: information technology.

SUBSTANCE: system of user circuit-switching agent includes service processing device located in home IMS/MMD network. The system of user circuit-switching agent also includes communication device located in attended network which is attended by mobile terminal. In this system, communication device has function of mutual conversion between UNI ("user-network" interface) signal in circuit-switched network with which mobile terminal is connected and the signal used in IMS/MMD.

EFFECT: providing system of user circuit-switching agent capable to provide service for IP multimedia subsystem, multimedia domain equivalent to service provided for circuit-switched network.

12 cl, 15 dwg

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Authors

Takano Jusuke

Tamura Tosijuki

Dates

2012-04-10—Published

2007-12-11—Filed