Introduction 26SmartNode 4830 Getting Started Guide 2 • Applications overviewIntroductionPatton’s SmartNode VoIP IADs deliver the features you need for advanced multiservice voice and data net-working. SmartNode IADs combine high-quality voice-over-IP with powerful quality of service routing featuresto deliver seamlessly-integrated VoIP and data access over synchronous serial leased lines. This chapterdescribes typical applications for which the SmartNode 4830 Series series is uniquely suited.Note Detailed configuration information for the applications can be foundon the CD-ROM that was included with your SmartNode device oronline from the Patton webserver.Applications for SmartNode 4830 SeriesSmartNode 4830 Series devices have dual 10/100Base-T Ethernet ports and a single V.35 or X.21 sync-serialport. The two Ethernet ports provide full featured IP routing plus Ethernet and IP layer QoS services. Thesync-serial port provides WAN access for integrated voice and data via a leased-line connection to the network.Voice prioritization and traffic management avoid network congestion and provide optimal voice quality. Thefollowing sections show two typical converged voice-and-data applications.Multiservice carrier access over leased linesThe SN4830 Series enables service providers to use Frame-Relay or PPP sync-serial access lines to offer Inter-net and VPN services integrated with voice services for up to 8 analog telephone lines (see figure 9). The dual10/100Base-TX LAN ports can be used for LAN connectivity and a dedicated VPN and DMZ connection.The FXS ports connect to PBXs, key-systems or handsets while the FXO ports can be used for local breakoutor fallback to the PSTN.Like all members of the SmartNode family of VoIP solutions, the 4830 series supports all the industry-stan-dard VoIP signaling protocols, including SIP, H.323, T.38 fax-relay, plus fax- and modem-bypass. The Smart-Node 4830 is interoperable with leading softswitches and VoIP servers.Figure 9. Multiservice carrier access over leased lines