We are manufacturer of Security System from Maharashtra India. Already we have developed android app for our [login to view URL] absence particular code to Sim card present in our system. The system sense code and works accordingly. There is one modification we want to do
SMS should go from Sim one as well as Sim two. Currently Only Sim one sends message
we can do add your modification in your application .please discussed with me on chat for better understanding .we can show you our demo also
Thank you