Text Messaging Application

I have this idea of developing an SMS (Short Messaging Service) Application that can be able to send messages in Bulk Via a Modem and as well as through a http string.

The major functionalities that i am willing to implement in it is fro it to be a ble to do

1. Multi Thread the app so that it can send upto xx no of messages per second
2. have XML > SMS. it should be able to read a specified xml format and be able to interprate and send the messages
3. have the ability to do remote sms messaging. a user can send a text message to a modem and the application picks up the message and resends it to a specified group.
4. the ability for it to do e-mail to sms and sms to email.
5. Web interface which can run on an intranet for users to be able to send messages.

i have already created the database in MySql

any on willing so that we can work on this.