2-4 Reference Guide
ISDN Line Configuration
Circuit Type... Permanent
B-Channel Usage... B1
Data Link Encapsulation... PPP
Enter information supplied to you by your ISDN phone company.
From the pop-up menu, select the appropriate B-channel, such
as B1, B2, or Both. Then go to step 7.
Note:
A permanent ISDN circuit type only supports 64 kbps
and 128 kbps B-channel usages.
3. Select
Switch Type
and press Return. From the
pop-up menu,
select the switch protocol your ISDN service provider uses.
Observe these guidelines:
■
NI-1 can appear on an AT&T 5ESS or a Northern Telecom
DMS-100 Switch. Do not confuse it with a
custom
ISDN
implementation, which also appears on these two
switches.
Outside North America
models only
■ Countries not shown in the list may use the generic
EuroISDN protocol.
North America models
only
4. Select SPID 1 and enter the primary SPID number. If you did
not receive a SPID (AT&T 5ESS custom point-to-point switches
have no SPID), you should skip this and the following step.
North America models
only
5. If you have a second SPID, select SPID 2 and enter the
secondary SPID number.
Note: SPID1 and SPID2 are not displayed for models outside
North America.
