can work ring me if i am off sick i have been off now for 6 months due to a spinal opp. my doc has said i was able to go back to work on a phase to return and light duties but work will not let me due to insurance reasons. they keep ringing me at home to see what is going on. Thay say i can not return untill i an fully fit and able to carry out the job i left, has anybody any advise please.