Appendix
ISDN Information
Service Profile Identifiers
Service Profile Identifiers (SPIDs) are only allocated by service providers in the United States and Canada. Service providers in these markets create a service profile based on which ISDN features you require, then assign you a unique Service Profile Identifier (SPID) which allows you to use these particular features.
Switch Type | SPIDs Allocated |
AT&T 5ESS Custom | None |
AT&T 5ESS | 1 per |
NT | 1 per |
1 per device | |
Siemens EWSD | 1 per |
Siemens EWSD | 1 per device |
International (outside of United States | None |
or Canada) |
|
Depending on your ISDN variant, your ISDN line will have zero, one, or two assigned SPIDs.
The following table describes ISDN standard cause values that are sent from the ISDN switch to the router to indicate ISDN call status.
Although the cause values are standardized, each ISDN service provider uses its own version of the cause message wording. Therefore, the cause messages shown in the table below might not be the exact messages that appear on the terminal.
Global Management System User’s Guide | Appendix | 148 |
