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C-2 Reference Guide
About SPIDs
Depending on the type of ISDN switch protocol you use, you may be
required to enter SPIDs in the ISDN Line Configuration screen.
Generally, SPIDs are used with North American (United States and
Canada) switch protocols.
The exact format of ISDN SPIDs is sometimes a point of confusion.
This is because several formats exist, and some formats allow
variations.
The table below displays the general SPID formats for the types of
North American ISDN switch protocols supported by the Netopia
Router. The formats shown are a subset of possible SPID formats,
but in most cases they should work.
In the following table, xxxxxxx represents the directory number
assigned to your ISDN line, and yyy represents your area code.
Note: AT&T 5ESS custom point-to-point switches have no SPIDs
and are not represented in the table above. However, this type of
switch configuration is supported by the Netopia Router.
Switch SPID format
AT&T 5ESS cus-
tom (multipoint)
01xxxxxxx0
Northern Telecom
DMS-100 custom
yyyxxxxxxx1 and yyyxxxxxxx2
or
yyyxxxxxxx01 and yyyxxxxxxx02
National ISDN-1
on AT&T 5ESS
(multipoint)
01xxxxxxx000
National ISDN-1
on Northern
Telecom DMS-100
yyyxxxxxxx100 and yyyxxxxxxx200
or
yyyxxxxxxx0100 and yyyxxxxxxx0101