MMS

MMs and dcd are known business, and their principle is the same.

The Flow is:
When you send a MMS, the terminate send you request to China Mobile Server, it then sends notify through Short Msg to the aim termiate, this called push. After succeed, the aim termiate will get the MMS from CMS througn WAP, this called polling.

Short Message is short, Push once is enough.

MMS represented by SMIL language, when New a MMS or View a MMS, it's the same as compose a SMIL file and View(or Play) a SMIL file.