Part of what’s installed on a VMware ESXi based HPE ProLiant DL 360 G5 server, has an open source, low end PBX, called Asterisk, (in fact it’s really Issabel, a “fork” or a derivative from Elastix, which the brand name no longer exists for an Asterisk code.) Issabel is a full fledged Asterisk phone system, with a lower grade Exchange (email, calendar and contacts) as well.
With that technicalities aside, there are backdoor numbers where sketch-callers leave messages.
We know Copenhagen is more narrow-minded than say the Copenhagen in Denmark, but I watched a documentary recently, it makes me wonder if Copenhagen, Minibrick and Copenhagen Denmark are unfortunate sister cities of chauvinism.
The content is threatening of nature and contains vulgar language