ISDN Protocol Administrator's and Developer's Guide ... - Intervoice

Required EntriesThe intvconf.dat entries that are required to implement Non-FacilityAssociated Signaling include:[ISDNAlternateDLL]Enables the nfas_att.dll software module. The module is necessaryto support NFAS functions. The Intervoice implementation ofNFAS has been written to support the AT&T 5ESS and 4ESSswitches as well as the Nortel DMS series of switches. Configure theentry and the switch type, as shown below:[ISDNAlternateDLL]NFAS_ATT; Name of NFAS software module[ISDNSwitchType]ATTor[ISDNSwitchType]DMS[ISDNInterfaceIDs]Identifies each span on a system. Because NFAS works on multiplespans, the user must give an identity to each span so that the switchwill know on which span a call is being carried. Up to 8 spans canbe identified under this entry.[ISDNInterfaceIDs]1 0; Span number 1, D channel interface ID2 1; Span number 2, D channel interface IDConfiguration of amulti-node system is notdiscussed in thisdocument.NFAS is designed to support more than one Node. Because of thiscapability, one D Channel on a single system can control calls on upto four systems.The Post Card function is used to convey the call controlinformation from one system to another.8-6 ISDN Protocol Administrator’s and Developer’s Guide 60001262, First Edition