Pri Service - AT&T MERLIN LEGEND Release 3.1 System Planning Manual

Selecting Line/Trunk Options
2. If Dial Plan Routing was selected, you may have to manipulate the
incoming digits by absorbing, deleting, or adding digits. This is
because, in many cases, the digits that are sent by the service provider
may not match the administered Dial Plan. Enter the following
information:
3. Select the Channel Direction.
4. Select and Outgoing Signaling Type.
5. Select both the Incoming and Outgoing Signaling Mode.

PRI Service

Use these instructions only if the type of service on a 100D module is PRI.
Otherwise, skip to the next section, "Tie Trunks."
PRI is a standard access arrangement of Integrated Services Digital Network
(ISDN) service that may be used to connect the system to another switch over a
DS1 facility.
This section contains instructions for recording decisions about the following
options for each PRI facility:
B-channel groups
PRI services (incoming and outgoing) according to B-channel group
Line Appearance Routing (incoming services)
Dial Plan Routing (incoming services; Hybrid/PBX mode only)
Outgoing Tables (Network Selection Table, Special Services Table, and
Call-by-Call Service Table)
Telephone Number to Send station identification or automatic numbering
information (SID-ANI) information
Expected Number of Digits. Enter the expected number of digits
(1–4). The factory setting is 3.
Number of Digits to Delete. Enter the number of digits to delete
(0–4) in order to match the Dial Plan. The factory setting is 0.
Number of Digits to Add. Enter the number of digits to add
(0–9999) to the collected digits in order to determine a routing
pattern. The factory setting is 0.
Select either Incoming, Outgoing, or Two Way.
Select either Wink, Auto, or Delay. The factory setting is Wink.
Select either Touch Tone or Rotary. The factory setting is Rotary.
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Lines/Trunks