The services provided by professionals in particular field. For example, a company may charge a certain sum of money for the certain tasks their consultant accomplished for the company who ordered the service.
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.