I heard a statistic from a leading vendor last week that said 80% of all unified communications projects fail. As someone who tries to help organisations truly embrace the transformational opportunity that exists with UC I was shocked by this statistic.
The biggest problem I see for those 80% of UC projects is that it is seen as a technology initiative. It isn't. Technology is of course key, but a successful unified communications project must consider so much more than infrastructure, servers and software.
To ensure your project is truly transformational you must look outside the technology and at how this project will and should affect people, process and communication. I believe many projects fail before they start, but asking some very basic questions can avert this: