Setting the exchange data link parameters If you are using System Configuration to define the telephony environment, you must set some parameters in the Exchange Data Link parameter group to define the optional exchange data link. Whether you are using Pack Configuration or System Configuration, you must set some parameters in the Application Server Interface parameter group.
Setting extra parameters for ISDN Whether you are using Pack Configuration or System Configuration to define the telephony environment, and you are using ISDN, you might need to set some parameters in the Application Server Interface and ISDN Signaling parameter groups.