Color talk service (CTS) is a value-added service provided by telecommunications carriers after the color ring back tone service. The CTS has two types
that is
ordinary CTS (oCTS) and distorted CTS (dCTS). In this paper
the concept and attributes of the dCTS are introduced firstly. Secondly
the design and implementation scheme based on intelligent network is presented
including system architecture and service flows. Finally
the commercial prospect and the limitations of the service are discussed.