Since there has been no response to your post, it appears to be either too complex or too rare an issue for other forum members to assist you.
Here are a few links to Cisco.com you may find useful:
http://www.cisco.com/univercd/cc/td/doc/product/voice/c_callmg/3_0/service/snmpmibs.htm
http://www.cisco.com/univercd/cc/td/doc/product/voice/ip_tele/network/dgnwmgmt.htm
I was unable to find the mibs available for download at http://www.cisco.com/public/sw-center/netmgmt/cmtk/mibs.shtml so they may have shipped with your software or are available through your Sales channels.
If you don't get a suitable response to your post from another forum member, you may wish to review our resources at the online Technical Assistance Center (www.cisco.com/tac) or speak with a TAC engineer. You can open a TAC case online at www.cisco.com/tac/caseopen
If anyone else in the forum has some advice, please reply to this thread.
Thank you for posting.