Lucent Technologies MERLIN LEGEND Release 5.0 Feature Reference page 496

MERLIN LEGEND Communications System Release 5.0
Feature Reference 555-650-110
Features
Primary Rate Interface (PRI) and T1
All Incoming PRI Calls. When the calling party information is available
from the network, the Calling Party Number (CPN) appears on the user's
display. Pressing the More button shows the Called Party Number on the
second screen of the display. If the Called Party Number is more than 15
characters in length, the digits at the end are dropped.
Group Calling. The MLX display of a calling group member shows the
original Called Party Number (before digit analysis). The same display
applies to PRI calls routed by dial plan to a group calling member
extension. Pressing the More button shows the Calling Party Number on
the second screen of the display.
Transfer without Consultation. In Release 2.0 and later systems,
pressing the More button on an MLX display telephone that is a transfer
destination shows the original Called Party Number (before digit analysis).
The same display applies to transferred PRI calls routed by dial plan.
Outgoing Calls
Call-by-call service selection is a feature for outgoing calls in Release 2.0 and
later. It allows a group of B-channels to carry a variety of supported PRI services
programmed in the Call-by-Call Services Table (see
service selected is based on the digits dialed and the bearer capability (voice,
data, or both) of the originating party. In Release 1.0 and 1.1 systems, an
outgoing call is carried on a static B-channel, that is, a B-channel dedicated to one
specific service.
Outgoing calls can be made by accessing a personal line, a Pool, or Automatic
Route Selection (ARS). When a call is placed, the system determines whether the
line accessed is a PRI facility. If so, the system performs digit analysis with the
entries in the Network Selection Table (see
Selection Table. The Network Selection table lists the prefixes for dial access to
alternative long-distance carriers (for example, 10 xxx ). The Special Services
Selection Table (see
as operator service or international dialing (
In addition, if the B-channel group for an outgoing call is programmed for
call-by-call service selection, the system performs digit analysis , with the entries
in the Call-by-Call Services Table (see
the service and tell the system how to delete digits and successfully route an
outgoing call.
A sample of each of these tables follows. Refer to System Programming for
information about programming these tables.
Network Selection Table. The Network Selection table lists the prefixes for dial
access to alternative long-distance carriers (for example, 10 xxx ). If multiple
entries in the Network Selection Table match the dialed number, the one with the
most non-wild card digits prevails. If the first digits of a dialed number (on PRI)
match any entry in this table, the entry pattern is deleted from the dialed number
Table 34) lists prefixes that represent special services, such
Table
Table 35 on page
Table 33) and the Special Services
or ).
0 00
35). The entries in this table indicate
Issue 1
June 1997
Page 464
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466). The