In java library example code, the setFrom is
I think here is the mobile number.
But can I put one text in here? Like mm.setFrom("mmsprovider/TYPE=PLMN"
RE: About MMMessage.setFrom(String)
Try it. You can send the message to the EAIF emulator, and see if it accepts it. Right off the bat, though, I'd say NO. "mmsprovider" is definitely *not* a Type=PLMN address. You can enter an email address if you like, and there are other possibilities for addressing - see the spex (WAP-209)