Cost is one of the driving factors for switching towards VoIP. The perpetuation of PBX with VoIP is called IP PBXS or VoIP PBX, which can be Hosted PBX (hosted with the provider) or on-Hosted PBX (hosted at Data Centre or 2 client's demesne). It started with the idea of trying to use IP to transport the PBX business. All modem PBXs support VoIP. The Voice over IP (VoIP) supports its domestic and commercial druggies to operate the available broadband link for data and voice dispatches Volpi techn…