Perhaps this member of Cruisemates can help you with this question. They posted recently on a thread called What About the Employees??? so you should be able to PM them and get an answer.
Their username here is FormerDispatcher
Last Activity: April 13th, 2011 09:41 PM
They posted a decription of the job..." I left the cruise line in 2005 - 6 years ago. I was a facilities dispatcher - one of the people who the guests call when there is a problem in their room that requires a maintenance worker to fix."
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