Example FortiGate Voice branch office configuration | Connecting the FortiGate Voice unit |
5Configure the FortiFones on the internal network.
6Configuring the FortiGate Voice unit to SIP phone users behind a remote NAT device.
Connecting the FortiGate Voice unit
The following procedure describes how to connect the FortiGate Voice unit to the Internet, the branch office internal network, and the PSTN (supported by some FortiGate Voice models).
To connect the FortiGate Voice unit
1Use an Ethernet cable to connect the FortiGate Voice wan1 interface to the device that connects the branch office to the Internet.
The device could be a cable or DSL modem or other device depending on how the Branch Office connects to the Internet.
2Use Ethernet cables to connect the PCs and FortiFones on the internal network to the FortiGate Voice internal interface switch connectors.
You can connect up to 8 PCs and FortiFones directly to the FortiGate Voice Internal interface switch connectors. To connect more devices, add Ethernet switches to your network as required.
3Use an
Configuring basic FortiGate Voice network and UTM settings
The following procedures describe how to configure a FortiGate Voice to provide basic Internet connectivity, network services, and UTM services for the branch office internal network. Network services include configuring the FortiGate Voice to be the DHCP server and DNS server for the internal network.
As part of the FortiGate Voice network interface configuration you must enable SIP Traffic on the internal and wan1 interfaces so that the FortiGate Voice unit accepts SIP sessions received by these interfaces. No other special network configuration, firewall policies, or routing is required for the FortiGate Voice to accept SIP sessions from configured extensions.
To configure basic network settings
1Connect to the FortiGate Voice
2Go to System > Network > Interface.
3Edit the internal interface and configure the following settings:
Addressing Mode | Manual |
IP/Netmask | 172.20.120.10/255.255.255.0 |
SIP Traffic | Select Enable |
Configure other network interface settings as required and select OK.
4Edit the wan1 interface and configure the following settings:
FortiGate Voice Version 4.0 MR1 Administration Guide
