首页> 外国专利> A method for playing a ring back tone as advertisement, system for providing a ring back tone as advertisement, communication system which includes such a system.

A method for playing a ring back tone as advertisement, system for providing a ring back tone as advertisement, communication system which includes such a system.

机译:一种用于播放回铃音作为广告的方法,一种用于提供回铃音作为广告的系统,包括该系统的通信系统。

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