This is a method of providing a phone service to people over the Internet. This type of service moves the traditional phone switch off site and allows more than one company to use a particular switch.
SmartNode 4830 allows you to add packet voice to a network, simultaneously ensuring access routing with native V.35/X.21 synchronous serial connection. Adding of up to eight telephone lines and combining them with Internet and VPN access through a single PPP line or Frame Relay.