MMS messages are delivered in a different way from SMS.
The first step is for the sending device to encode the multimedia content in a fashion similar to sending a MIME message (MIME content formats are defined in the MMS Message Encapsulation specification).
Unlike text-only SMS, MMS can deliver a variety of media, including up to forty seconds of video, one image, a slideshow Media companies have utilized MMS on a commercial basis as a method of delivering news and entertainment content, and retailers have deployed it as a tool for delivering scannable coupon codes, product images, videos, and other information.
The 3GPP and WAP groups fostered the development of the MMS standard, which is now continued by the Open Mobile Alliance (OMA).
In recent years, MMS deployment by major technology companies have solved many of the early challenges through handset detection, content optimization, and increased throughput.