Connectivity between end points
Routers and Hardware are part of the Infrastructure as a Service in a cloud
The platform indicates the local exchange carrier who connects the users with their wifi, broadband or local area network beyond the firewall is a good way to think about the platform.
Toll free numbers
Wireless
Land Lines-T1, Point to Point, megatrunk (did), and many other configurations are available including copper lines for recovery or disaster service.