Black Box 5000 series Reference Manual page 55

4 - Directory Number
Enter the ISDN number of the B-channel (up to 15 characters). The ISDN number is available from the ISDN circuit
provider. For a type NI-1 switch, enter only the local portion of the directory number, unless the area code is required
for local calls.
When the Directory Number is changed, a Soft Reset must be performed for this to take effect. The router will be
reset and begin operation with the new directory number.
Default: [none]
Note: in Net3 ISDN environments with BACP enabled, directory numbers must be configured for BACP to function.
The following option appears when an ISDN type is installed and the switch type is set to NI-1, NI-2, DMS-100 or
5ESS-MP:
5 - SPID
Enter the ISDN Service Profile Identifier (SPID) number assigned to this B-channel. The SPID number is available
from the ISDN circuit provider.
When the SPID is changed, a Soft Reset must be performed for this to take effect. The router will be reset and begin
operation with the new SPID.
Menus Reference Manual: ISDN Set-Up Menu
55