CHAPTER 3 129Dialup ParameterFigure 133. Dialup modem - Dialup Parameter• Name - if you use several dialup modems, you have to choosehere for each modem an unique name;• Phone - enter the phone number by which a connection is toestablished;• Device - as a modem can either be connected to the serialmodem connector or to one of the two USB connectors of theA850 or indirectly to an USB connector of the A850 via anUSH hub, the respective connector is to be selected here:Figure 134. Dialup modem - Dialup Parameter - Device• Phone prefix - if your dialup modem is connected to aninterphone system (PABX), you can enter the prefix to get apublic line here (so you don’t have to specify it on front of