Originally Posted by jseah
MMS is a "large" SMS. It is typically used for sending pictures or videos. You also are not limited to messages of 160 characters in length.
MMS isn't a large SMS at all. It's a completely separate system with no relation to SMS whatsoever.
MMS(Multimedia Messaging Service) is basically a data message used for picture/video/audio messaging on mobile phones. Think of it as an email with an attachment that can go to any cell phone or email address.