Black Box IS425A, Manual

Page: 7 / 107

IS425A - ISDN Terminal Adapter with S/T-Interface
3
1.4 System Parameters
The following information is the knowledge required for installing and
operating the IS425A.
Switch Type
Contact your local telephone company to find out the correct switch type.
The IS425A software supports the following switch types.
•
AT&T 5ESS Custom
•
AT&T 5ESS National ISDN-1 (NI-1)
•
NORTEL DMS-100 Custom
•
NORTEL DMS-100 National ISDN-1 (NI-1)
•
SIEMENS National ISDN-1 (NI-1)
Service Profile IDentifier (SPID)
When you subscribe to the ISDN line, you need to determine how many
SPIDs (one to eight per ISDN line) your application requires. The IS425A
can use either one or two SPIDs. The most frequently used SPID formats are:
FORMAT DETAIL
A
Area Code + Phone Suffix
B
01 + Phone Suffix
These formats are defined as follows:
1.
“Area Code” is the standard three-digit area code.
2. “Phone Number” is the standard seven-digit phone number, also
called the Directory Number (DN).
3. “Suffix”
•
For Format A, the suffix could be:
a) 0101 d) 0100
b) 0000 e) 000
c) 1111 f) 100
•
For Format B, the suffix could be:
a) 0 b) 000