As of November 2012, the Unified Messaging migration has been successfully completed. Over 2,500 users are now actively using UM as their primary voice mail system!
To give you the general idea of the system utilization/call volume – here are a some stats for the past few months:
November 2012 – 112,889 calls
December 2012 – 105,494 calls
January 2013 – 165,720 calls
The above statistics include all calls that were received by our unified messaging voice mail servers which includes inbound calls to individual voice mail accounts, auto attendants, missed calls (people hearing your greeting but decided not to leave a voice mail).