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Introduction to the ISDN Interface
9
Long distance Carrier (IntraLATA)
(LPIC)
10
Request date of installation
11
Facility type
12
Facility quantity
NOTE THAT THE FOLLOWING ITEMS MUST BE PROVIDED ON A PER SPAN BASIS
13
Signaling code
14
Line coding
15
Framing Format
16
Bearer configuration
17
Quantity of B (bearer) channels
18
Call type
19
Quantity of phone numbers
20
Number of incoming digits to CPE (Cus-
tomer Premise Equipment – DBS)
21
ISDN PRI Protocol
22
Glare Resolution
23
Channel selection used by CO
24
Source of Calling Party Number
25
Service Options
Note: 1- If two spans are implemented, each must have a separate D channel,
i.e. D channel sharing is NOT permitted.
Revised April 2000
Pre-Installation Requirements
This identifies the carrier who will provide
access for connections, which are not local
but are still within the local LATA.
ISDN PRI
1 or 2 spans
DS-1 (1.544 Mbps)
B8ZS (Binary 8 Zero Substitution)
ESF (Extended Superframe)
Voice or Voice/Data (see note on page 1-3)
23B + 1D - Max. setting (must have 1 D
channel)
Or XB + 1D where X is 1-23 for a frac-
tional span
Two Way
Block of 20 numbers are generally
assigned. With DID, note that the total
number of telephone numbers will exceed
the total number of B channels.
Select 4 digits. This is used with DID.
5ESS Custom or
DMS-100 Custom (NTNAPRI) or
4ESS
CPE yield to CO
High-to-Low B-channel selection
Calling Party Number must be sourced by
the CO.
ANI – Automatic Numbering Indication
Hunt group -
MegaCom –only for 4ESS operation
DBS-EX23-530
1-5
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