VoIP
533
SonicOS Enhanced 4.0 Administrator Guide
Figure 47:4 Public VoIP Service Topology
For VoIP clients that register with a server from the WAN, the SonicWALL security appliance
automatically manages NAT policies and access rules. The SonicWALL security appliance
performs stateful monitoring of registration and permits incoming calls for clients while they
remain registered. No configuration of clients is required. See the “Using the Public Server
Wizard” section for information on configuring this deployment.
Deployment Scenario 3: Trusted VoIP Service
The organization deploys its own VoIP server on a DMZ or LAN to provide in-house VoIP
services that are accessible to VoIP clients on the Internet or from local network users behind
the security gateway. The following figure shows a trusted VoIP service topology.