go to immigration and fill the form sign it and all is done , you will get their visa , don't worry immigration are very very fast especially for the family visa , once the visa is done you can do the medical next week and no penality is applicable in this case but if you get their visa and the expiry of their visit visa , you have to pay just penality of 200 Qr./per day.
hurry and go to immigration no need to waste time and to keep calling , immigration are open from 6am to 1am.
g.luck