A sender ID is a customised name you want the recipients to see when they receive your message. For example, you have received alerts from your bank with sender ID like ECOBANK, GTBank, DiamondBank, FirstBank etc. Your Sender ID can be the name of your organization, product or brand. This personalized name must not be more than 11 characters.
To request for a new sender ID/name, load your account with credits, then go to Account >> Request Sender ID . After successful approval, your sender will appear when next you go to Send SMS page.