What design stage have you reached?
Could you explain how much you have in paper?
evstevemd
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evstevemd
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It's about an application that can be able to send sms to the users mobiles phone and receive sms from them.
Since you are looking to send and receive messages as well, you will need a GSM modem (to at least receive messages), SmsLib is a popular library to achieve that end.
As far as sending messages is concerned you could either use the GSM modem for that as well, or you could look up some bulk sms service providers for your area who can give you SMS at cheaper rates, some may even allow you to use the service for free, provide you reserve a certain amount of words for their advertising.
stephen84s
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