Expert System (ES) is a particular media that provides problem-solving service within a specific problem domain [10]. When problem domain involves people's need, then this ES is supposed to be capable to extensively reach wider targeted users. The ES that have been developed utilizing web interface has been successfully giving several service access [11], however the existence of SMS feature in common mobile phone to be another potential alternative for ES implementation.
Expert System (ES) is a particular media that provides
problem-solving service within a specific problem domain
[10].