Hi,
We are in software development domain for last 10+ yrs and worked upon various types of application using different technologies like .Net, C#, Visual Basic, C, C++ etc. Besides that we have worked upon different gsm modems, gps, gprs , database etc
So far as this project is concerned, we have a prior experience of developing an app around gsm modem having all reqd operations like send sms, receive sms, delete sms etc.
Besides that we have developed the application for GSM gateway having 16 slots.
So 100% assure that we can provide the best service and software as per your requirement.