The call center company later changed its name to e - Telecare Global Soltions in 2004. Important point to be noticed is cost can't be the first consideration. An person that finds work on this profession can be described as a radiology technician if his competency qualifies him to do work using x-ray, ultra-sound, CAT or ECG equipment that gives the doctors with scanned images that this latter will use as bases for diagnoses.