Software Interoperability of Telemedicine Systems : A CSCW Perspective Pronab Ganguly & Pradeep Ray School of Information Systems, Technology and Management, University of New South Wales, Kensington, NSW 2052, Australia *Tel: 61 2 9385 5803, Fax: 61 2 9662 4061; Email: p.ganguly@unsw.edu.au +Tel: 61 2 9385 5890, Fax: 61 2 9662 4061; Email: p.ray@unsw.edu.au