For sending Bulk SMS, the message format is text only.
If, however, you wish to send out other things such as pictures, video and audio, one option could be to include a WAP URL in the outbound SMS. This URL would link directly to the content. The message would contain clear instructions for how the user would retrieve the content.
“Thanks for your purchase, to download your image visit via your mobile internet:http://yourwebsite.com/imagepath ”
This is the concept in its most basic form. There are certain complexities including formatting issues surrounding delivering content to mobile phones. For more information either contact your Account Manager or log a ticket at www.txtnation.com/sd .