Typical application
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SmartNode 4660 & 4670 User Manual
2 • Applications overview
Typical application
IP-enable legacy PBX systems while connecting fax separately with both BRI and FXS/FXO interfaces on one
box. Combining a VoIP gateway with an IP router, the SmartNode 4660/4670 adds QoS and VPN security,
making it the ideal solution for secure prioritized communications.
Figure 4. SN4660 application
Figure 5. SN4670 application