Hi friend!
I wanna create my own online sms site. But I stuck with something. That is, i got an open source gateway called kannel But what I want to know is,what are the key ingredients for an online sms service. I mean the stuff i want to create online sms-ing service. Do i have to have a deal with Service Providers?? And what are the things should i get to create it.

Please help me with this.
Thank you,
Bala Krish