What equipment is required to use VOIP services?
You will need a data network that supports the Internet Protocol and which provides connectivity to other IP phones you wish to talk to. Because other IP phones are typically on the Internet, then what you need is an Internet connection, such as through a DSL or cable-modem line at home, or the campus network which also is connected to the Internet and also interconnects other IP phones. An IP phone is also required, and the IP phone requires a VoIP server/service. If calls to standard phones are to be supported via a PBX and the PSTN, one or more gateways to one or more PBXs is required. The VoIP phone may be like those used in Calit2. The phone is self-contained, and requires only knowledge of where to find the VoIP server so that when it “boots up” on power-up it can pick-up its pre-programmed features. This is stored in flash memory when the phone is delivered to the end-user. It also requires a network connection which has power as well as Ethernet connectivity, or it can have a l