By default, your Sender ID is set to Shared Local Number or if you have purchased a Virtual Number your default Sender ID will be set to your Virtual Number.
Your Default SMS Country will be populated with the country you selected on the registration form when signing up.
In order to change these default settings, go to:
1. Settings > Profile & Settings
2. Click on the Default SMS Settings tab
3. Select your Default Sender Id and Default SMS Country here.
4. Click Save.
Tip: Your Sender Id (From) can be changed at the time of sending. Default settings simply allow you to preset your sending preferences so you don’t need to keep changing them.