http://tec.myfortinet.com/02_deploying_fortivoice/b_manage_fortivoice_dns_and_ntp/index.html Using the FortiVoice web administration page, select System and Network on the left-hand menu and select the DNS tab. Configure the following DNS servers: Primary: 172.25.25.221 Secondary: 172.25.25.222 Click the Apply button to save the changes. Using the FortiVoice web administration page, select System and Configuration on the left-hand menu. Select the Time tab to manage NTP configuration for the FortiVoice. Hugo en-US