Thank you for your e-mail.
You will be able to alter your sender ID by:
1) Entering Send SMS
2) On the right side you will be to see the Sender ID box
3) Enter the required originator - please note that the maximum character limit is 11
4) Once entered, select 'Save'
When a alpha-numeric originator is entered - for example a company name - you will not be able to receive direct replies. To receive responses a number must be displayed as the ID.
We hope that this resolves your query.