RADVision Scopia XT5000 Administrator's Manual page 14

This approach works well in simple NAT and firewall traversal deployments, typically used by home
offices and Small Medium Businesses (SMBs).
• Using the XT Endpoint for NAT and firewall traversal
In cases where your organization has no sophisticated firewall protection, the XT Endpoint can
straddle the two network zones using the two network ports provided on the XT Codec Unit (see
Figure 4: Using XT Endpoint for NAT and Firewall Traversal
Use the GLAN ports of the XT Codec Unit simultaneously and connect one port to the public
network and the other to your private network. All communication passes through the XT Endpoint
which acts as the virtual conference room for all the endpoints.
Administrator Guide for Scopia XT5000 Endpoint with Embedded
Server for IP Office Version 3.2
Figure 3: Using an HTTP/STUN Server for NAT and Firewall Traversal
on page 15).
Planning the Topology of the Scopia XT Endpoint for IP Office
Deployment | 14