Sorry, I'm not sure about the callouts not coming but I would suggest going into your configuration files for each callout pack and checking if they have any individual settings relating to the length of time between new callouts and then adjusting as you see fit (just be careful not to mess around with anything you don't understand!).
You can press F4 to open your Rage Plugin Hook console, then type ForceCallout and it will initiate a callout from one of your detected callout packs.