Chapter 3. Using the Express Configuration Program61203153L2-20 Express 3000 User Manual 3-9In regions in which the area code has recently changed, the ISDNline may be configured with a new area code. ADTRAN’s Au-toSPID algorithm attempts to recognize these regions and adjustthe area code automatically if AutoSPID initially fails. A table ofold area codes and the corresponding new area codes is located inthe installation directory. This is a standard text file and may bemodified. For Windows 95 and Windows NT 4.0, the default in-stallation directory is C:\Program Files\Adtran\Isdn.Phone Numbers 1and 2Defines the ISDN LDNs. The LDN is the seven digit telephonenumber assigned to the ISDN line and is used when placing or re-ceiving calls. A multipoint line may have LDNs that resemble thefollowing:ISDN Phone Number 1: 5551212ISDN Phone Number 2: 5551213SPIDs 1and 2Identifies the ISDN terminal equipment to the ISDN switch. SPIDsare assigned by the telephone company when the ISDN line is in-stalled. The SPID usually looks similar to the telephone number.For example, a multipoint line may have SPIDs that look as follows:Service Profile ID 1: 0155512120Service Profile ID 2: 0155512130The number of SPIDs required (0, 1, or 2) depends on how theISDN line is configured. For example, a point-to-point line has noSPIDs. Multipoint lines have one or more SPIDs. The Express 3000uses the presence of one SPID to determine if the line is multi-point. If the line only has one SPID, then the SPID must be enteredin the box labeled Service Profile ID 1.Disable SPID downloadDisables the automatic detection of SPIDs.NI1 Conference FeatureDefines the activator code for Call Conference. This code is gener-ally used only with National ISDN and DMS-100 switches. Thedefault value is 60.
