The technical qualification, or requirements to be able to use MonTel are pretty easy to meet. It is very likely that any firm of 15 or more staff has these basic requirements.
Your firm needs to have:
More specific information can be found about the technical requirements at http://www.netwiz.com.au/appnotes/i1874.htm.
Information about the installation procedures (carried out by MonTel installers) can be found at: http://www.netwiz.com.au/appnotes/i1082.htm.