This Recommendation provides an overview of the framework for indoor conversational robot systems. It describes the features@ general requirements@ architecture and functionality@ which are the framework to support indoor conversational robot systems. The scope is focused on architecture@ terminals@ servers@ interface and communication protocols between servers and clients in a high-level approach. This Recommendation will allow users of the indoor conversational robot system to be able to experience convenient information services in various areas with a user-friendly speech-dialogue interface.