Abstract: Multimedia ring tone(MRT) service is a value-added service which makes multimedia as the ring tone. Considering the property of MRT service and the architecture of network of IP multimedia subsystem(IMS), this paper proposes a solution using multimedia ring tone services platform(MRTSP) to provide value-added MRT services, including the design of system and signal flow. It analyzes the characteristics related to the solution and makes a summary.

Key words: multimedia ring tone(MRT), value-added service, IP multimedia subsystem(IMS)

摘要： 多媒体彩像(MRT)业务是一种采用多种媒体作为振铃音的增值业务。该文结合IP多媒体子系统(IMS)网络体系结构和MRT业务属性，提出了一种利用多媒体彩像业务平台(MRTSP)来实现MRT业务的方案，包括系统设计和基于会话发起协议(SIP)的信令流程，分析了相关特点并进行了总结。

关键词: 多媒体彩像, 增值业务, IP多媒体子系统

CLC Number: 

• TP37