
234 Chapter 21 BRI ISDN: BRI loop properties
N0060606N0060606
Figure 76 Loops table
Table 46 describes the fields found on the Loop main panel.
Table 46 Loops main panel
Attribute Value Description
Loop <X01-X04> Each BRI module supports four loops (eight lines for T-loop
programming).
Ty p e T
S
This setting defines whether the loop supports trunks (T-loop) or
device connections (S-loop).
Note: This variable may be different for different market profiles.
Protocol Euro
QSIG
NI-2
Select the appropriate ISDN protocol.
The values displayed depend on both the market profile and
software keycodes.
Euro - ETSI ISDN standard
QSIG - also an ETSI standard. Only appears if the ETSI QSIG
keycode is loaded.
NI-2
Sampling
(S-loops only)
Adaptive
Fixed
N/A
Select a sampling rate for the S-loop.
Fixed: two or more S-interface devices use the loop, and the length
of the loop is less than 200 m (650 ft.).
Adaptive: two or more S-interface devices use the loop, and the
length of the loop is greater than 200 m (650 ft.). If one device is
using the loop, the length of the loop can be a maximum of 1000 m
(3230 ft)
ONN blocking Suppression bit
Service code
N/A
Set the Outgoing Name and Number (ONN) Blocking.
When you activate ONN, a user can press FEATURE 819 to block
the outgoing name and number on a per call basis.
Programming note: Ensure that all telephones that have this
feature available are assigned valid OLI numbers. Refer to
“Programming outgoing number display (OLI)” on page 251.
ONN blocking Suppression bit: the system flags the call to the Central Office
(CO) so that the name and number is not sent to the person you
call.
Service code: VSC digits are dialed out before the called number
to activate ONN at the central office. These codes are supplied by
your service provider for the lines. Refer to “ONN Blocking codes
(North American systems)” in the BCM 4.0 Device Configuration
Guide (N0060600). PRI lines have only one code, so do not
require specific configuration.
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