It is important for medical consultants at different sites to share information, such as microscope images, about which they are discussing. The authors describe work carried out to provide multimedia communication facilities for two gynaecologists in different hospitals. The communication system configuration is shown. Communicating sites are connected by ISDN30 and MATMX (Model ATM Exchange) provides an ATM interface for application components. The operation of the video transmitter and receiver and the voice codec is controlled via a user interface on the Unix workstation.
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