David Rumsey (asker) Jun 20, 2014:

Hi Charles. I should have provided all the context. There is another line below it that says:

Analog funktionsanknytning för Fax/Konferens.

So I wondered if there is a difference between a "växelanknytning" and a "funktionsanknytning", which I assume is a "functional extension" (i.e. for a fax).