Avaya Communication Manager Administrator's Manual page 1586

Screen Reference
Path Replacement Method
Appears when the following fields are set on the Trunk Group screen: trunk Group Type is
ISDN, Supplementary Service Protocol is b or e, the Path Replacement with Retention is
n, and the Supplementary Services with Rerouting field or the DCS with Rerouting field on
the System-Parameters Customer-Options
Valid entries
always
BR
(better route)
Path Replacement with Retention
Appears when the following fields are set on the Trunk Group screen: trunk Group Type is
ISDN, Supplementary Service Protocol is b or e, and the Supplementary Services with
Rerouting field or the DCS with Rerouting field on the
Customer-Options
Valid entries
y/n
PBX ID
Appears when the Used for DCS field is y. This field identifies the remote switch in the network
with which the trunk will communicate on a DCS signaling link.
Valid entries
1 to 63 or blank
1586 Administrator Guide for Avaya Communication Manager
Usage
Use any QSIG (SSB) trunk group as the replacement trunk
group. A new call is always originated, even when the
original trunk group is determined to be the replacement
trunk group.
Route pattern preferences help determine trunk group path
replacement. The original trunk group is retained if the Path
Replacement with Retention field is y. Path replacement
fails (and the original trunk group is retained) if the Path
Replacement with Retention field is n.
screen is y.
Usage
Enter y to retain the original trunk group. Set to n to allow path
replacement according to setting on the Path Replacement Method field.
Usage
Enter the ID of the switch at the other end of this trunk.
screen is y.
System-Parameters