Patton electronic SmartNode 4110 Series ユーザーズマニュアル

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SmartWare Software Configuration Guide 
1 • System overview
Figure 4. Typical LAN telephony system with a SmartNode gateway
LAN telephony
With its voice-over-IP gateway features, the SmartNode can be used as a standalone gateway for VoIP tele-
phony (see 
).
A standalone gateway has performance reliability and scalability advantages compared with PC-based gateway 
cards. In this application, the SmartNode also offers a migration path to enterprise or carrier networking.
 shows the deployment of a SmartNode as a LAN voice gateway.
The PSTN connections can be scaled from a single ISDN basic rate access to multiple primary rate lines. With 
Q.SIG, integration in private PBX networks is also supported.
          Node
LAN
        IP Phones
        IPPBX
PSTN