Analog or Digital stations
Now we talked that there are analog stations and digital stations or business telephone systems. So when you have your PBX, it will either be an analog PBX or a digital PBX or a mix of both to get you business phone system woring properly.
So a lot of times now, you will have digital lines on the PBX and analog lines on the PBX. Analog phones or analog stations can only communicate through an analog port. Digital stations can only communicate through a digital port. So if you take your phone from home into the office and you plug it straight into that PBX, if that is a digital PBX, your phone from home will not work because your phone from home is an analog phone.
This gets really important, like I say, when you’re plugging in things like fax machines into your business phone systems.