As government responsibilities, any decision must rely on public choice. For mobile roaming, government has to encounter the question of what the public interest is. First, it is necessary to know whether mobile calling signal was classified as public or private goods. Suppachai&Piyaporn (2009)categorized calling signal as quasi-public goods because it can be excluded that anyone who do not pay for service cannot take benefit but mobile signal is available for all need to pay for service. Besides calling signal, a number of customer force and knowledge of specialists plus between-country pressure groups against influential operators resisting plus unintentional government in mobile roaming control is not enough to promote that agenda setting come into public consciousness. Thus, mobile roaming control is now aware of condition in our country that likely to become the problem in agenda setting to consolidate ASEAN integration.