To answer your first questions it depends on the technology and protocol of which you are using in this case. As that would decipher the modules you would look to enable in RTF to get more data in this case. What board and protocol is used in your case?
For the latest download of SU, you should have gotten it here. If you selected all the check boxes, then it should have also installed the SDK for you as well.
www.dialogic.com/.../6-0-su-latest
Jeff