In the IVR menu edit the option you want to dial an external number

In the destination select the Gateway to Nehos normally Nehos @yourPBXipaddress

Click the left triangle to edit this

It will place the following in the box “menu-exec-app:bridge sofia/gateway/randomNumbers&Letters/xxxxx”

Replace the  xxxxx with the external number you want to dial i.e 0731071900

It should look like this menu-exec-app:bridge sofia/gateway/randomNumbers&Letters/0731071900 when your finished.

Hit Save

When you dial into the IVR menu and hit this option it should then forward the call to the number you have entered here.