Depending on the size of the classrooms, additional microphones may be necessary. If these students need to show documents to the teacher or students in the main classroom, a document camera may also be needed. The equipment available at the potential remote sites is unknown. Installation and support can be provided by AU employees, or by external experts who specialize in installation and use of this technology for teaching. The tradeoffs between these two are the time lost to experimentation and trial and error versus an outlay of funding for experienced answers.
Many issues are yet to be resolved .