Grext provides users the ability to send thousands of SMS text messages instantly and easily. 1.Add or upload contacts. 2. Create groups of contacts. 3. Send messages. Messages can be sent immediately, or scheduled for future or recurring sending. Administrative users can even send text messages by sending a text to the system that will be echoed to all users in a group. Two way SMS is also supported with serveral options for porting incoming messages to email, forwarded SMS or API push to a client application. Full API integration is also supported to integrate the GREXT application to an external application.