config system modem set status enable end diagnose sys modem wireless-id you should get something like this: vendor: 0x12d1, product: 0×1003, registered: yes set status enable set pin-init '' set network-init '' set lockdown-lac '' set mode standalone set dial-on-demand enable set idle-timer 5 set redial none set holddown-timer 60 set connect-timeout 90 set wireless-port 0 set phone1 "#777" set username1 "internet" set passwd1 **** set extra-init1 '' set peer-modem1 generic set ppp-echo-request1 enable set authtype1 pap chap mschap mschapv2 execute modem dial If you are using the web interface of your FortiGate device, when you enable the modem interface you will get Modem option under System > Network section on the left side menu. You can set up some of the options, like phone or Extra Initialization String there too. Also...