Where is the Demarc in Hosted VoIP PBX?
In telecom, the "demarc" represents the point in the network where the responsibility differs; it is the interface between the service provider and the customer. Traditional Analog POTS: The Demarc is often a test port on the side of the building. If something is broken between the test port and the customer's phone, then it's the customer's responsibility to fix it. Otherwise, it's the servic...