Now that you have created an account and logged in you will need to purchase a Sender ID phone number to send your SMS messaged from. From the dashboard click on 'Sender ID Management
Next click on the green 'Request New Sender ID' button
You will now be shown a list of available phone numbers and the monthly fee. You can enter in an area code then click search to see numbers from your area. When you have chosen a number simply click 'Buy Number'
Enter in your email address and payment details and click 'Pay'. A monthly subscription will be created and billed to your credit card each month.
You will then be shown a message saying 'number purchased successfully' and your purchased number and status will show up below