We have a ready made SMS package which can be used to send SMS to the contacts in your db. You can also link your accounting software or any custom built software with this SMS package and send bulk SMS automatically. You can connect a modem or your mobile using pc suite to send SMS. We have installed this package in lots of schools , colleges and business institutions in india. If you are interested pm us so that we can show an online demo or can send you a demo version
Sri