彩铃的功能及实现

彩铃业务(CRBT)又称个性化回铃音业务,客户可以根据自己的喜好和要求定制本人电话的回铃音,当拨叫该客户的电话时,主叫听到的不再是单调的普通回铃音,而是客户自己定制的回铃音。彩铃业务系统具有多种功能,通常有两种实现方案,即签约方案和交换机改造方案,文章介绍了彩铃业务系统的一般功能和实现过程。

CRBT(Coloring Ring Back Tone) which can offer all kinds of sound s as ring back tone for clients is a new kind of value-added service of telecomm unication. According to individual hobby and requirements, User can order one's own ring back tone. When the user's phone is called, the customized CRBT not ord inary ring tone will be heard. CRBT system has many functions which can be reali zed by signing the contract or rebuilding switch. This paper introduces the gene ral functions of CRBT and its realization methods.