The image size is restricted to 1 MB. Image files can be in PNG, GIF, or JPEG formats.
The Content field can be used for custom text such as telephone numbers, websites, and links. For example, you could enter information such as 'Please contact your network administrator if you have any questions, and then include the contact method of your choice.'
If you would like to change this you will need to do the following:
- Log into your GSM console
- Go to Global Settings tab
- Go to Web Overrides tab
- Select Block Page Settings tab