@make[article] @device[x2700] @style[spacing 1] @begin[text,topmargin=+1.1inches,leftmargin=+0.25inches,rightmargin=+0.5inches] blank @newpage @majorheading[AN APPRAISAL OF THE ADVANTAGES & DISADVANTAGES OF USING A PABX FOR DATA TRAFFIC] @BLANKSPACE[0.5in] @centre[@b[Brian Gilmore Communications Manager Edinburgh Regional Computing Centre University of Edinburgh]] @blankspace[1.8in] The paper discusses the main advantages and disadvantages of using a modern PABX for mixed speech and data traffic. It comes to the conclusion that with the currently available technology it is not economic to use such an exchange for extensive data traffic and the paper goes on to look at future trends in this area in particular the use of PABX/LAN Gateways to ease connection problems.