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61200176L2-1
Dial Line/ExpertISDN
Write security: 2; Read security: 5
The ExpertISDN option allows automatic determination of Service
Profile Identifier (SPID) 1 and SPID 2 with entry of the Local Direc-
tory Number(s) (LDN(s)) and area code. Enter the 7-digit LDN in
LDN 1 and LDN 2 (if a second number exists). The area code must
be entered. The message Auto Spid Success will appear in the Call
Log to indicate success in determining the SPID. See "Log Mes-
sages" on page B-1 for additional messages and their definitions.
Dial Line/Switch Protocol
Write security: 2; Read security: 5
Find out what kind of ISDN switch protocol the local CO is using
by asking the local telephone administrator or the telephone com-
pany representative. The Express 4100/4110 can be configured for
the following:
LUCENT 5ESS (def)
DMS-100
National ISDN1
NEC
Dial Line/Area Code
Write security: 2; Read security: 5
Enter 3-digit area code when using ExpertISDN.
Dial Line/SPID 1
Write security: 2; Read security: 5
The SPID is a sequence of digits used to identify ISDN terminal
equipment to the ISDN switch. The SPID is assigned by the local
phone company when the ISDN line is installed and it usually
looks similar to the phone number. Obtain SPIDs from the tele-
phone administrator or local telephone representative.
The number of SPIDs required (0, 1, or 2) depends on how your
ISDN line is configured. For instance, a point-to-point line has no
SPID. Multipoint lines may have one or two SPIDs. The Express
4100/4110 uses the presence of SPID 1 to determine if the line is
Express 4100/4110 User Manual
Chapter 3. Terminal Menu Operation and Structure
LUCENT 5ESS© Custom
Northern Telecom DMS-100™ Custom
National ISDN-1 (could be a NorTel,
LUCENT,or Siemens EWSD)
Nippon Electric Company Switch
3-11
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Troubleshooting
