The aim of this work is develop program for call service of Networked Appliance (NAs) by speaking voice on Android OS. Which user can send command voice for control Networked Appliance (NAs) When executing any work then by use command voice into command text past Speech to text library. Then compare with command existing that any command and reply status with user from Networked Appliance (NAs) converted into voice by Text to speech library. This work develops from Java under platform of Android OS. The results show program can use work according objective.