Specializes in Medical Offices, Physicians, Veterinarians, Dentist HIPAA/HITECH Compliant Contractors, Service Based Businesses Heating and Air, Plumbers. Missed Calls Means Missed Income for Your Business and PWC Message Center eliminates that by personally answering each of your calls.. Live 24/7 Answering Service for after-hours daytime office closures and or overflow calls,messages Delivered via secure text,fax and or pagers; Calls can be directly patched to the physician,nurse,or business.