ContentResolver contentResolver = getContentResolver();
String selection = "_id = "+id;
Uri uri = Uri.parse("content://sms");
Cursor cursor = contentResolver.query(uri, null, selection, null, null);
String phone = cursor.getString(cursor.getColumnIndex("address"));
int type = cursor.getInt(cursor.getColumnIndex("type"));// 2 = sent, etc.
String date = cursor.getString(cursor.getColumnIndex("date"));
String body = cursor.getString(cursor.getColumnIndex("body"));
이런식으로 db에서 추출하면 되겠네요. 자세한 내용은
http://stackoverflow.com/questions/3012287/how-to-read-mms-data-in-android
참고 바랍니다.