It is the business practice of sending all clients' billing info to a separate company, who then does everything for you. It also allows a company to cut down on time and human resources spent on administrative tasks.
Call Relay is a wise way of VoIP switched connection
amongst various IP networks. Call Relay makes sure that the organization of the
single central VoIP portal between IP networks, thus, makes sure that achieving
VoIP connections through the segments of IP networks will not be an issue.